Dr.Biswas .S . K. Sustainable disease management of agriculture crops./Dr.Biswas.S.k. and Dr.Singh.S.R. - Delhi Daya publishing house. INDIA. - IX,401PG. ill,picture and table. 23CM.- book Include bibliography reference. ISBN: 978-81-7035-715-5 Subjects--Topical Terms: Dewey Class. No.: 635