(late) K P Srivastava G S Dhaliwal
A textbook of applied entomology.vol-II(insects of economic importance) - III - Ludhiana Kalyani 1993 - 368
9788127267520
introduction
agricultural entomology
pests of vegetables
595.7 sri
A textbook of applied entomology.vol-II(insects of economic importance) - III - Ludhiana Kalyani 1993 - 368
9788127267520
introduction
agricultural entomology
pests of vegetables
595.7 sri