Mahalanobis, P.C.
National sample survey: notes on some results of the land utlisation survey by P.C. Mahalanobis - Delhi Government of India 1960 - v, 71p
T068x54 In2/62
National sample survey: notes on some results of the land utlisation survey by P.C. Mahalanobis - Delhi Government of India 1960 - v, 71p
T068x54 In2/62