Nakash, R., Hutton, J., Jørstad-Stein, E., Gates, S., & Lamb, S. (2006). Maximising response to postal questionnaires – A systematic review of randomised trials in health research. BioMed Central.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNakash, R., J. Hutton, E. Jørstad-Stein, S. Gates, और S. Lamb. Maximising Response to Postal Questionnaires – A Systematic Review of Randomised Trials in Health Research. BioMed Central, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNakash, R., et al. Maximising Response to Postal Questionnaires – A Systematic Review of Randomised Trials in Health Research. BioMed Central, 2006.
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