Economic and applied entomology
Ashok Kumar; Prem Mohan Nigam
Economic and applied entomology - Emkay Publications, New Delhi 1997 - 350
Insects (Entomology); Invertebrate Zoology
595.7 ASH-E
Economic and applied entomology - Emkay Publications, New Delhi 1997 - 350
Insects (Entomology); Invertebrate Zoology
595.7 ASH-E