00449nam a22001697a 4500 20260423122123.0 260423b |||||||| |||| 00| 0 eng d 0852261217 eng 519.52 COH/S Cochran, William G. Sampling Techniques /by William G. Cochran New Delhi: Wiley Eastern Limited; 1977. xvi,428p. Cochran, William G. BK 46483 46483 0 0 0 0 NFIC PBBCL PBBCL GEN 2026-04-23 0 519.52 COH/S 82842 2026-04-23 2026-04-23 BK