Verma, Deepak Kumar .
Applied entomology / by Deepak Kumar Verma. - New Delhi : Mittal Publications , 1999 - 262p ;
81-7099-657-0
Agriculture- Entomology
J:4 / N9
Applied entomology / by Deepak Kumar Verma. - New Delhi : Mittal Publications , 1999 - 262p ;
81-7099-657-0
Agriculture- Entomology
J:4 / N9