Cochran, William G
Sampling techniques - 3 - New Delhi Wiley Eastern Ltd 1987 - 428
0852260911
Randon sampling
Rati estimation
519.52 / COC/SA
Sampling techniques - 3 - New Delhi Wiley Eastern Ltd 1987 - 428
0852260911
Randon sampling
Rati estimation
519.52 / COC/SA