Agricultural entomology.
Gupta, Krishan Kumar, 1937-
Agricultural entomology. - [1st ed.] - Agra, Kranchalson [1967] - vi, 178 p. illus., 23 cm.
sa 68012001 //r86
Beneficial insects--India.
Insect pests--Control--India.
SB931
632/.7
Agricultural entomology. - [1st ed.] - Agra, Kranchalson [1967] - vi, 178 p. illus., 23 cm.
sa 68012001 //r86
Beneficial insects--India.
Insect pests--Control--India.
SB931
632/.7