00486nam a2200181Ia 4500 190329s9999||||xx |||||||||||||| ||und|| 0852261217 NITIL NITIL 21st 311.2 C663S Cochran, William G Sampling techniques William G Cochran 3rd New Delhi Wiley Eastern 1977 viii,428p. This book belong to DMEO SAMPLING STATISTICS; DMEO BKS 81236 81236 0 0 DDC 0 0 NITIL NITIL 2019-04-08 0 311.2 C663S C18703 2019-04-08 00:00:00 2019-04-08 BKS 0 0 DDC 0 0 NITIL NITIL 2019-04-08 0 311.2 C663S C19227 2019-04-08 00:00:00 2019-04-08 BKS