Sampling techniques
Cochran, William G.
Sampling techniques - 2nd ed. - New Delhi
Wiley Eastern Limited 1977 - xvii,412. 23
0852261225
Sampling techniques
519.901 / COC
Sampling techniques - 2nd ed. - New Delhi
Wiley Eastern Limited 1977 - xvii,412. 23
0852261225
Sampling techniques
519.901 / COC