Sampling techniques /
Cochran, G. William.
Sampling techniques / William G. Cochran. - 3rd ed. - New york : Wiley eastern, 1977. - xvi, 428 p. : ill., form ; 22 cm.
Includes bibliographies references and index.
0852261217
Geography--Statistical methods.
Sampling (Statistics).
311.21
Sampling techniques / William G. Cochran. - 3rd ed. - New york : Wiley eastern, 1977. - xvi, 428 p. : ill., form ; 22 cm.
Includes bibliographies references and index.
0852261217
Geography--Statistical methods.
Sampling (Statistics).
311.21