Kumar, K., Prajapati, D.R., Samir, S. Heat Transfer and Friction Characteristics of Artificially Roughened Duct used for Solar Air Heaters—a Review (2018) Journal of The Institution of Engineers (India): Series C, 99 (1), pp. 105-123.

Suman, G., Prajapati, D.R. Statistical analysis of the researches carried out on Lean and Six Sigma applications in healthcare industry (2018) International Journal of Quality Engineering and Technology, 7 (1), pp. 1-38.

Suman, G., Prajapati, D. Control chart applications in healthcare: A literature review (2018) International Journal of Metrology and Quality Engineering, 9, art. no. 2018003, .

Kumar, K., Prajapati, D.R., Samir, S. Heat transfer and friction factor correlations development for solar air heater duct artificially roughened with ‘S’ shape ribs (2017) Experimental Thermal and Fluid Science, 82, pp. 249-261.

Prajapati, D.R. Determination of correlation level and process capability of a manufacturing process using control charts (2017) International Journal of Quality Engineering and Technology, 6 (3), pp. 161-185.

Prajapati, D.R., Kaur, N. Process capability in terms of TSS in waste water treatment technology (2017) International Journal of Environment and Waste Management, 19 (3), pp. 203-215.

Prajapati, D.R., Singh, S. Autocorrelated process monitoring using simple and effective X¯ chart (2016) International Journal of Advanced Manufacturing Technology, 85 (1-4), pp. 929-939.

Prajapati, D.R., Singh, S. Determination of level of correlation for products of pharmaceutical industry by using modified X-bar chart (2016) International Journal of Quality and Reliability Management, 33 (6), pp. 724-746.

Prajapati, D.R. Analysis of rejection of rotary compressors in an automobile industry by statistical techniques (2016) Lecture Notes in Engineering and Computer Science, 2224, pp. 769-774.

Prajapati, D.R. Correlation level among the observations for a pharmaceutical industry using X chart with economics (2016) International Journal of Productivity and Quality Management, 19 (3), pp. 277-300.

Prajapati, D.R. Cost comparisons of modified X¯ chart for autocorrelated observations (2016) International Journal of Metrology and Quality Engineering, 7 (1), art. no. 102, .

Prajapati, D.R., Singh, S., Prof. Application of ANN to monitor the correlated process using higher sample size (2015) International Journal of Performability Engineering, 11 (4), pp. 395-404.

Prajapati, D.R. Simultaneous use of X¯ and R charts for positively correlated data for medium sample size (2015) International Journal of Performability Engineering, 11 (1), pp. 15-22.

Prajapati, D.R., Singh, S. Modified Χ chart with optimized ARLs in autocorrelated processes (2015) TQM Journal, 27 (5), pp. 633-647.

Prajapati, D.R., Singh, S. An effective chart to monitor process averages for serial correlation using ANN approach (2015) International Journal of Industrial and Systems Engineering, 21 (1), pp. 31-49.

Prajapati, D.R., Singh, S. Monitoring of process mean and variance simultaneously by joint X¯ and R chart for serial correlation (2015) International Journal of Productivity and Quality Management, 16 (1), pp. 70-91.

Prajapati, D., Dangarwala, K.J. Various document image mosaicing method in image processing: A survey (2015) International Conference on Signal Processing and Communication Engineering Systems - Proceedings of SPACES 2015, in Association with IEEE, art. no. 7058265, pp. 281-285.

Kumar, K., Prajapati, D.R., Samir, S. Determination of effective efficiency of artificially roughened solar air heater duct using ribs (2015) Distributed Generation and Alternative Energy Journal, 30 (2), pp. 57-77.

Tanwer, A.K., Prajapati, D.R., Singh, P.J. Effect of various factors for achieving environmental performance in manufacturing industry: A review (2015) International Journal of Productivity and Quality Management, 15 (1), pp. 72-107.

Singh, S., Prajapati, D.R. A modified range (R) chart to monitor process dispersion of autocorrelated data (2014) International Journal of Productivity and Quality Management, 13 (1), pp. 67-88.

Singh, S., Prajapati, D.R. Effect of warning limits on the performance of the X chart under autocorrelation (2014) International Journal of Productivity and Quality Management, 13 (2), pp. 235-250.

Prajapati, D.R., Sudan, G.S. Emissions and performance of blended fuels using experimental study (2014) International Journal of Vehicle Performance, 1 (3-4), pp. 326-347.

Prajapati, D.R., Singh, S. Statistical design of X charts for autocorrelated processes for different sample sizes (2014) International Journal of Productivity and Quality Management, 14 (4), pp. 387-407.

Prajapati, D.R., Singh, G. Effect of blend fuels on the mechanical and volumetric efficiencies in CVCRM Engine Test Rig (2014) International Journal of Performability Engineering, 10 (5), pp. 511-520.

Prajapati, D.R., Singh, S. Optimal schemes of standard range chart for auto-correlated observations (2014) International Journal of Quality Engineering and Technology, 4 (1), pp. 81-96.

Singh, S., Prajapati, D.R. Performance of CUSUM and EWMA charts for serial correlation (2013) TQM Journal, 25 (3), art. no. 17085930, pp. 309-324.

Singh, S., Prajapati, D.R. Detection of shift in process mean with X chart for autocorrelated data (2013) International Journal of Quality and Reliability Management, 30 (7), pp. 765-779.

Kumar, S., Satsangi, P.S., Prajapati, D.R. Improvement of Sigma level of a foundry: A case study (2013) TQM Journal, 25 (1), pp. 29-43.

Kumar, S., Satsangi, P.S., Prajapati, D.R. Optimization of process factors for controlling defects due to melt shop using Taguchi method (2013) International Journal of Quality & Reliability Management, 30 (1), pp. 4-22.

Prajapati, D.R. Performance of conventional X-bar chart for autocorrelated data using smaller sample sizes (2013) Lecture Notes in Engineering and Computer Science, 2, pp. 1200-1205.

Satsangi, P.S., Kumar, S., Prajapati, D.R. A six sigma methodology for reducing casting defects in foundry operations (2013) International Journal of Technology, Knowledge and Society, 8 (4), pp. 163-176.

Jaiswal, N., Bansal, P., Prajapati, D.R., Doshi, R., Bharadhwaj, P.S., Singh, S. Challenges of ALC in high power UHF SSPA for communication payloads (2013) 2013 Nirma University International Conference on Engineering, NUiCONE 2013, art. no. 6780136, .

Doshi, R., Bansal, P., Jaiswal, N., Prajapati, D.R., Bijeev, N., Bharadhwaj, P.S., Kumar, V., Singh, S. Challenges in 100W CW UHF SSPA for communication payloads (2013) 2013 Nirma University International Conference on Engineering, NUiCONE 2013, art. no. 6780135, .

Dev Choudhury, N.B., Prajapati, D., Kakoti, R.K. Identification of transmission loss in trading of power using tracing of power (2012) 2012 9th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, ECTI-CON 2012, art. no. 6254352, .

Prajapati, D.R., Singh, S. Control charts for monitoring the autocorrelated process parameters: A literature review (2012) International Journal of Productivity and Quality Management, 10 (2), pp. 207-249.

Singh, S., Prajapati, D.R. Effect of autocorrelation on the performance of EWMA chart (2012) International Journal of Productivity and Quality Management, 9 (2), pp. 177-193.

Kumar, S., Prajapati, D.R., Satsangi, P.S. Design for Six Sigma to optimise the process parameters of a foundry (2011) International Journal of Productivity and Quality Management, 8 (3), pp. 313-332.

Kumar, S., Satsangi, P.S., Prajapati, D.R. Optimization of green sand casting process parameters of a foundry by using Taguchi's method (2011) International Journal of Advanced Manufacturing Technology, 55 (1-4), pp. 23-34.

Prajapati, D.R. A new approach to monitor the process dispersion (2011) International Journal of Quality and Reliability Management, 28 (3), pp. 280-297.

Prajapati, D.R. Effect of sampling intervals on economic design of proposed X chart using Lorenzen-Vance cost model (2010) International Journal of Productivity and Quality Management, 6 (4), pp. 518-539.

Prajapati, D.R., Mahapatra, P.B. An economical comparison of proposed X̄ chart with MEWMA chart (2010) International Journal of Quality and Reliability Management, 27 (4), pp. 475-485.

Prajapati, D.R., Sharma, R. Damage assessment of FRP composite materials using izod test (2009) International Journal of Performability Engineering, 5 (5), pp. 479-484.

Prajapati, D.R., Mahapatra, P.B. A simple and effective R chart to monitor the process variance (2009) International Journal of Quality and Reliability Management, 26 (5), pp. 497-512.

Prajapati, D.R., Mahapatra, P.B. Control charts for variables to monitor the process mean and dispersion: A literature review (2009) International Journal of Productivity and Quality Management, 4 (4), pp. 476-520.

Prajapati, D.R., Mahapatra, P.B. A new X chart comparable to CUSUM and EWMA charts (2009) International Journal of Productivity and Quality Management, 4 (1), pp. 103-128.

Prajapati, D.R., Mahapatra, P.B. A simple and effective X̄ chart for process monitoring (2008) International Journal of Quality and Reliability Management, 25 (5), pp. 508-531.

Prajapati, D.R., Mahapatra, P.B. An effective joint X̄ and R chart to monitor the process mean and variance (2007) International Journal of Productivity and Quality Management, 2 (4), pp. 459-474.

Prajapati, D.R., Mahapatra, P.B. History of observed samples: How much affects the ARL of X̄ control charts (2006) Journal of Scientific and Industrial Research, 65 (4), pp. 335-343.

Prajapati, D.R., Mahapatra, P.B. An efficient design approach for X̄ and R control charts (2006) Journal of the Institution of Engineers (India), Part PR: Production Engineering Division, 86 (MAR.), pp. 70-75.