Force majeure in Indonesia, especially during pandemics, causes a drastic fluctuation in the market and makes many medicine products related to the pandemic become scarce and stocked out. Major pharmaceutical companies manufactured in Indonesia need solutions for the significant change in demand level and find solutions to balance the supply and demand level. According to the existing literature, by doing internal integration, supplier integration, and customer integration, and supported with supply chain capability, companies can find solutions regarding market fluctuation and increase their competitive performance. This research uses 102 listed Indonesians chosen by the purposive sampling method. Research analysis was conducted using structural equation modeling and SmartPLS 3 software. This research finds that, in general, supply chain capability influences competitive performance. Meanwhile, internal integration by sharing activity information in departments and coordinating integrated planning can positively and significantly affect supplier integration and customer integration. Sharing inventory and information with suppliers and coordinating with suppliers about materials availability significantly influence supply chain capability. Internal integration also has a significant influence on supply chain capability. Customer integration with information sharing with customers and the company involving the customers when demands influence supply chain capability. Supply chain integration (internal, supplier, and customer) does not directly impact operational performance, so supply chain capability is a perfect intervening variable. Supply chain capability can help internal and external integration better affect competitive performance. This research also makes practical contributions to give managers input about how internal integration, supplier and customer integration, and supply chain capability can affect companies' competitive performance.

Fuel availability is essential in supporting the sustainable economic growth of a country. The manufacturing industry, transportation activities, and shipping products between regions are the primary sectors that require a sustainable fuel supply. The fuel station contributes to distributing and delivering fuel in serving the demand for the fuel. This study investigates supplier competency's role in supporting fuel station business performance through supplier integration, vendor-managed inventory, and supply chain collaboration. The research surveyed 71 fuel stations in Timor Leste using a questionnaire designed with a five-point Likert scale. The questionnaires are distributed to supervisors or higher positions at fuel stations by distributing questionnaires by direct delivery and also through Google Forms for areas far away in downtown Timor Leste. Data from respondents were analyzed using smartPLS software version 4.0. The results found that supplier competency positively impacts supplier integration, vendor-managed inventory, and supply chain collaboration. Moreover, supplier integration positively impacts vendor-managed inventory, supply chain collaboration, and business performance. Vendor-managed inventory fuel station sites can have an impact on improving supply chain collaboration and business performance. In addition, supply chain collaboration between vendors and fuel stations in Timor Leste enables continuous business performance improvement. This research paves the way for supervisors, managers, and fuel station top management to collaborate with suppliers in maintaining inventory levels and forecasting the supply and demand for fuel procurement requirements. Finally, this research contributes to the theory of inventory optimization and supply chain performance.

Integration with external supply chain partners can reduce the risk of process and product development disruptions. Hence, the companies should anticipate and prepare for any risk that could emerge in the supply chain network. This study aims to analyze the role of supply chain integration, information sharing, supply chain quality integration, and innovation systems in improving business performance in the manufacturing industry. The study surveyed manufacturing companies located in East Java, as many as 258 companies. Data was collected using questionnaires designed with a five-point Likert scale and distributed through Google Forms and company visits. 222 questionnaires were distributed through Google Forms, and 36 were distributed during company visits. The smartPLS software version 4.0 was used for descriptive analysis and hypothesis testing. The results showed that supply chain integration positively impacts information sharing, quality integration, and innovation systems. Information sharing significantly supports the implementation of quality integration and innovation systems. However, quality integration does not affect the innovation system. Likewise, innovation systems have no impact on improving business performance. Many manufacturing companies in East Java had not done innovation systems appropriately after the COVID-19 disruption as the company still focused on current processes and products to maintain company sustainability. Furthermore, information sharing, and supply chain quality integration significantly improve business performance. The results of this study could contribute to managers building close partnerships with external parties to maintain the quality of processes and products. Business owners must also consider using the latest technology for process and product innovation. These findings enrich the current supply chain management theory, particularly with quality integration and innovation systems.

Internal and external integration in hotel industries is essential to improve Green Supply Chain Management (GSCM) to maintain hotel performance and sustainability. This research is to examine the impact of internal and external integration on GSCM and hotel performance. It is quantitative research with judgmental sampling. Questionnaires were distributed to 72 hotel employees from 62 hotels of three-star hotels and above, who understand GSCM and hotel performance in East Java. But 66 questionnaires were returned, and only 62 questionnaires were valid for data analysis. Structural Equation Modelling (SEM) is used to analyze with the help of Java Web Start software. The results show that all six hypotheses are supported, internal integration with Use technology to significantly determine plans and coordination capable of external integration and GSCM. External integration with Sharing knowledge with partners and Collaborating in solving problems can improve GSCM significantly. Supply chain integration, which consists of internal integration and external integration, impacts hotel performance by reducing hotel waste and Efficient use of resources. GSCM in implementing Eco green, green procurement and product life cycle have a significant impact on improving hotel performance.

Many people are aware of taking care of the global environment, so they demand environmentally friendly business activities. The government also has responded to the commotion by requiring companies to produce friendly and safe products or services to their customers. Hotel industries react to it by implementing the concept of green hotels. The purpose of this study is to examine whether the Internet of Things, strategic green purchasing and green operation have impacted green employee behavior in star-hotels in East Java. Eighty-two (82) questionnaires were distributed, but only 62 questionnaires were valid, with a response rate of 75.60 %. SEM-PLS (Structural Equation Modelling Partial Least Square) was used to analyze the data. The results show that the Internet of Things (IoT) has a significant impact on green hotel operation, with the T-statistic value of 0.378. green purchasing has a significant impact on green hotel operation, with the T-statistic value of 0.545, and green employee behavior, with the T-statistic value of 0.346. The Internet of things (IoT) has no significant impact on green employee behavior directly but through green hotel operation. The use of energy efficiency and the existence of good waste management as indicators of green hotel operation has an impact on green employee behavior of 0.346.

Manufacturing companies continue to carry out activities by maximizing the role of the human-machine interface. Its function is to provide work effectiveness and efficiency, compliance with social distancing at the working place, and maintain the production optimum utilization level of machines. The human-machine interface, semi-automatic or fully automatic, gives a significant role to operators and supervisors in company operations to monitor production results in real time. This study examines the influence of human-machine interface adoption on operational performance through supply chain agility. Questionnaires were distributed to 77 companies in East Java, and 56 questionnaires were considered valid for analysis. The data processing results show that the human-machine interface impacts the supply chain agility with a path coefficient of 0.665. The human-machine interface affects operational performance with a path coefficient of 0.334. Similarly, supply chain agility impacts operational performance with a path coefficient of 0.306. The human-machine interface affects operational performance through an agile supply chain with a path coefficient 0.203. This result implies that firm management needs to consider adopting HMI technology to improve the firm's performance and competitive advantage. This work could also contribute to the current research in operations and supply chain management.

The company's technology implementation is inseparable from employees' ability to operate and use it optimally. Therefore, companies must maintain a developed and adequate process knowledge management according to the latest needs to improve performance while considering environmental impacts. This study investigated the role of knowledge management in adopting production technology, supply chain integration, and green supply chain toward firm performance. The study surveyed the manufacturing industry in East Java that has implemented green supply chain management, with respondents having at least two years of experience working. Respondents have filled in as many as 115 questionnaires considered valid from the 145 questionnaires received. Data processing used the partial least squares software 4.0 version. The result indicated that knowledge management significantly influenced production technology, supply chain integration, and green supply chain adoption. However, knowledge management does not influence firm performance directly. Production technology enables supply chain integration, green supply chain adoption, and firm performance. Furthermore, supply chain integration affects green supply chain adoption and firm performance. Moreover, the result indicated that supply chain adoption directly influences the firm’s performance. The practical implication of the results enlightens the managers and top management on the importance of updated technology and knowledge for employees, enabling the adoption of supply chain integration and green supply chain in the pursuit of enhanced firm performance. These results enrich the current research in supply chain management theory.

The company seeks the role of internal function and external partnership to eliminate or reduce the waste generated and its impact on the environment. Internally, Top management needs to commit and actively increase the participation of employees in implementing total quality management and production waste management to enhance business performance. This study surveyed the companies engaged in the industry sector producing finished products while generating waste in the production process. Data collection is carried out using online questionnaires through Google Forms with data analysis using PLS software. One hundred and thirty-six (136) manufacturing companies located in East Java, Indonesia. The results of the data analysis indicated that top management commitment significantly influences firm performance, employee empowerment, and total quality management. Employee empowerment impacts total quality management and production waste management. Total quality management positively influences production waste management and firm performance. In addition, production waste management significantly impacts the firm performance. In addition, top management commitment indirectly affects firm performance through the mediating role of total quality management. However, the mediating effect of production waste management is insignificant in translating top management commitments to firm performance. The result provides a theoretical contribution to developing green supply chain practices and sustainability. Furthermore, the practical contribution provides insight for top management companies that production waste management can improve performance with high management commitment and employee empowerment.

Manufacturing companies are trying hard to anticipate a disrupted supply chain. Internal changes are encouraged to adapt to external conditions. Partnerships with external parties through supply chain collaboration are needed to improve supply chain performance and increase competitiveness. This research examines the effect of supply chain collaboration on supply chain performance by adopting new product development, product knowledge, and production technology. The study surveyed 148 manufacturing companies at managerial level using questionnaires. Data processing using SmartPLS software version 4.0. The results show that supply chain collaboration positively influences production technology, product knowledge, new product development, and supply chain performance. Production technology positively impacts product knowledge, new product development, and supply chain performance. The results also show that supply chain performance is influenced by product knowledge and new product development. In addition, production technology, new product development, and product knowledge mediate the indirect influence of supply chain collaboration on supply chain performance. This study contributes to enriching supply chain management theory. The practical contribution is to enlighten the company's managerial to run supply chain collaboration in generating performance and competitiveness.

Organizations rely on information technology to integrate internally and externally to create process efficiency in increasing competitiveness. Information technology can support digitalization in companies to maintain green supply chain management. Manufacturing companies are required to be able to pay attention to the environment by maintaining the balance of nature. The object of this research is manufacturing companies located in East Java. Data were collected from respondents through questionnaires which were distributed using Google form. The results of the questionnaire distribution were obtained from a total of 108 companies analyzed using the partial least squares method. The analysis shows that digitalization affects supply chain integration, green supply chain, and resilience. Digitalization in the supply chain can form a strong integration, energy efficiency, and effectiveness to survive. Supply chain integration affects the green supply chain and supply chain resilience. Integration in the supply chain system, able to overcome environmental problems and optimize resources. A green supply chain affects supply chain resilience. Supply chain integration, green supply chain, and supply chain resilience affect a firm competitive advantage. Practical research contributions for management to allocate budgets with the needs of application development and supply chain systems within the company. Supply chain digitization is a solid foundation for companies to have a competitive advantage against competitors.