Insecticides and pest control
Singh, J.P.
Insecticides and pest control by J.P. Singh - Bombay Current Book House 1968 - 245 p.
Insecticides
Pest Control
632.951 / S 617 I
Insecticides and pest control by J.P. Singh - Bombay Current Book House 1968 - 245 p.
Insecticides
Pest Control
632.951 / S 617 I