TY  - BOOK
AU  - Gupta,Krishan Kumar
TI  - Agricultural entomology
AV  - SB931 
U1  - 632/.7 
PY  - 1967///]
CY  - Agra
PB  - Kranchalson
KW  - Beneficial insects
KW  - India
KW  - Insect pests
KW  - Control
ER  -