K P Srivastava
Textbook Of Applied Entomology-vol.II - Ludhiana Kalyani 1993 - 507
English
insects and man
agricultural entomology
veterinary entomology
medical entomology
595.7 SRI
Textbook Of Applied Entomology-vol.II - Ludhiana Kalyani 1993 - 507
English
insects and man
agricultural entomology
veterinary entomology
medical entomology
595.7 SRI