Das, Tapan Kumar . Krishibigyan : prajukti o tatya / Tapan Kumar Das and Kanailal Bhoumik. - Kolkata : Ananda Publishers , 1983. - Various pagination : Figs., tables and maps ; 21cm . NULL ISBN: Rs. 40.00 (Hb) Subjects--Index Terms: AGRICULTURE Dewey Class. No.: 630 / DAS/K