@INPROCEEDINGS {AKOBUNDU:1980j, title = {Weed control strategies for multiple cropping systems of the humid and subhumid tropics}, author = {Akobundu, I. }, booktitle = {Weeds and their control in the humid and subhumid tropics: proceedings of a conference at the International Institute of Tropical Agriculture, 3-7 July 1978}, year = {1980}, month = {July}, pages = {80--100}, }