TY  - BOOK
AU  - Ram, Mahabal.
TI  - High yielding varieties of crops
U1  - 633:631.526.325 M0 
PY  - 1980///
CY  - Calcutta
PB  - Oxford and IBH
KW  - Mahabal Ram
KW  - Crops-Cultivation-economic aspects,Plant-Cultivated-planning
ER  -