Des Raj
Design of sample surveys - Newyork, Mc Graw-Hill Book Co 1972 - 390
070511551
Sample surveys-design/survey-design/sampling techniques
001. 424 DES;1
100
Design of sample surveys - Newyork, Mc Graw-Hill Book Co 1972 - 390
070511551
Sample surveys-design/survey-design/sampling techniques
001. 424 DES;1
100