International Seminar on Integrated Pest Control 20th to 24th Jan
Entomological Society of India
International Seminar on Integrated Pest Control 20th to 24th Jan - Delhi Entomological Society of India, I A R I 1969 - 17 p.
632.9 ENT-I
International Seminar on Integrated Pest Control 20th to 24th Jan - Delhi Entomological Society of India, I A R I 1969 - 17 p.
632.9 ENT-I