Pesticides in the Indian environment
Gupta, P K
Pesticides in the Indian environment - - Interprint Publications, New Delhi 1986 - - .
Pesticides-- Insecticides
632.95 GUP-P
Pesticides in the Indian environment - - Interprint Publications, New Delhi 1986 - - .
Pesticides-- Insecticides
632.95 GUP-P