Problems and Perspectives of Yam-Based Cropping Systems in Africa
Ekanayake, Indira J., Asiedu, RobertVolume:
9
Language:
english
Journal:
Journal of Crop Production
DOI:
10.1300/J144v09n01_08
Date:
January, 2003
File:
PDF, 2.13 MB
english, 2003