Sampling Techniques /
Cochran, William G.
Sampling Techniques / William G. Cochran. - New York : John wiley & Sons - 428 p. : ill. ; 25 cm.
0471029394
Sampling Techinques.
307
Sampling Techniques / William G. Cochran. - New York : John wiley & Sons - 428 p. : ill. ; 25 cm.
0471029394
Sampling Techinques.
307