William G. Cochran

Experimental Designs William G. Cochran 2006 Planning and Analysis of Observational Studies Author not listed Year not listed Sampling Techiques Author not listed Year not listed Sampling Technique Author not listed Year not listed Sampling Technique Author not listed Year not listed Sampling Techniques William G. cochran 1994 Sampling Techniques William G. Cochran 1983 Sampling Techniques William G. Cochran 1978 Sampling techniques William G.cochran 1977 SAMPLING TECHNIQUES WILLIAM G. COCHRAN 1964 Sampling techniques William g.cochran Year not listed Sampling Techniques William G. Cochran Year not listed SAMPLING TECHNIQUES Author not listed Year not listed Sampling Techniques Author not listed Year not listed Sampling Techniques Author not listed Year not listed Sampling Techniques Author not listed Year not listed Sampling Techniques Author not listed Year not listed Sampling Techniques William G. Cochran Year not listed Sampling Techniques 3rd edition William G. Cochran 1999 Sampling Techniques 3rd edition William G. Cochran 1996