Sen, P. K. Agro-economic studies on intensive cultural practices in small holdings / P K Sen, P C Sengupta - Calcutta : University of Calcutta, 1969 - v, 278 p. : ill. ; 24 cm. Subjects--Topical Terms: Agriculture--Economic aspects--India--Burdwān Dewey Class. No.: 338.10954 / SEA 1969