Diseases of vegetable crops
SINGH, R. S
Diseases of vegetable crops - New Delhi 1992 - 362p
VEGETABLE -- DISEASES AND PESTS
VEGETABLE -- DISEASES AND PESTS
635.049 S48D
Diseases of vegetable crops - New Delhi 1992 - 362p
VEGETABLE -- DISEASES AND PESTS
VEGETABLE -- DISEASES AND PESTS
635.049 S48D