00496ca0 a2200193ua 4500 20220124130143.0 070612s1963 g b000 u eng u 0852261225 INR 20.00 MAIN eng 310.5 COH Cochran, William C. . Sampling techniques / William C.Cochran. 2nd ed. New Delhi; Wiley Eastern Limited , c 1963. 413 p. Statistics BK 43237 43237 0 0 ddc 0 310_500000000000000_COC 0 NFIC 54113 MAIN MAIN GEN 2018-05-03 STAT-6 310.5 COC UGC6371 2018-05-03 1 2018-05-03 BK 0 0 ddc 0 310_500000000000000_COC 0 NFIC 93990 MAIN MAIN GEN 2022-01-24 STAT-6 0 310.5 COC UGC6372 2022-01-24 2022-01-24 BK