RAO, S. P. S. S. R. (2012). Introduction to biostatistics and research methods. PHI Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRAO, Sundar P. S. S. Richard. Introduction to Biostatistics and Research Methods. PHI Learning, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRAO, Sundar P. S. S. Richard. Introduction to Biostatistics and Research Methods. PHI Learning, 2012.
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