Sen, S.P.. Biofertilizers / edited by S.P. Sen and P. Palit. - Kolkata : Plant Physiology Forum , 1386. - 8+263p. : ill.,figs.,tables ; 23cm . NULL ISBN: 8185109869 Rs. 250.00 Subjects--Index Terms: BIOFERTILIZERS Dewey Class. No.: 631.8 / SEN/B