Rao,Sundar P.S.S.
Introduction to biostatistics and research methods/
Sundar Rao P.S.S.
- 5th ed.
- New Delhi: PHI Learning Private Limited, 2012.
- xii,268 p.; pbk. 24 cm.
9788120345201
Statistical methods.
Frequency distribution.
sampling.
519 / RAO