RAO, S. P. S. S. R. (2012). Introduction to biostatistics and research methods. PHI Learning.
Chicago-viite (17. p.)RAO, Sundar P. S. S. Richard. Introduction to Biostatistics and Research Methods. PHI Learning, 2012.
MLA-viite (9. p.)RAO, Sundar P. S. S. Richard. Introduction to Biostatistics and Research Methods. PHI Learning, 2012.
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