Insect pest control :
Kumar, R.
Insect pest control : with special reference to African agriculture / R. Kumar. - London : Arnold, 1999 - xi, 298 p. : ill.:
0713180838
Insect control
Insect pest control : with special reference to African agriculture / R. Kumar. - London : Arnold, 1999 - xi, 298 p. : ill.:
0713180838
Insect control