TY  - BOOK
AU  - Das, Purnima
TI  - Comparative Resistance of Certain Green Gram Varieties Against Leaf Folder, Nacoleia vulgalis Guen. And Black Aphid, Aphis craccivora Koch 
U1  - 595.7 D 
PY  - 1999///
CY  - Jorhat
ER  -