Intergrated pest management for tropical and tuber crops
Hahn, S.K.
Intergrated pest management for tropical and tuber crops - Nigeria International Inst. of tropical Agril., 1990 - 235p
632 HAM - I
Intergrated pest management for tropical and tuber crops - Nigeria International Inst. of tropical Agril., 1990 - 235p
632 HAM - I