Plant Diseases - Gopal Swarup; D.R. Dasgupta P.K. Koshy (New Delhi Anmol Publications, 1989)
Gopal Swarup; D.R. Dasgupta & P.K. Koshy: Plant Diseases. New Delhi. Anmol Publications, 1989. 81-7041-209-9--(632.3SWA)
ENGLISH