Insect pest control with special reference to African agriculture
Kumar, R. 1938-
Insect pest control with special reference to African agriculture R. Kumar - London Edward Arnold 1984 - xi, 298 p. ill. 22cm
Insect pests--Control
632 / .7
Insect pest control with special reference to African agriculture R. Kumar - London Edward Arnold 1984 - xi, 298 p. ill. 22cm
Insect pests--Control
632 / .7