00581 a2200181 4500 9971512718 9789971512712 2286 2286 Cochran, William G. Sampling techniques / William G. Cochran. 1st ed. [S.l.] : Wiley, 1960. 330 p. Paperback. Amazon.com http://www.amazon.com/exec/obidos/ASIN/9971512718/chopaconline-20 Amazon customer reviews http://www.chopac.org/cgi-bin/tools/azrev.pl?q=9971512718 NBS BK 001.4222 COC 344787 344787 0 0 ddc 0 0 CS CL CL CS 2013-08-28 3 001.433 COC NBS2966 2022-10-27 2021-05-27 2013-08-28 BK