Introduction to on-farm research
Aflakpui, G.K.S.
Introduction to on-farm research - Tamale (Ghana) : CRI, 1993 - 20 pages - Printed - CRI Crop Management Guide ; No. 9 .
English
Case studies
Research policies
Introduction to on-farm research - Tamale (Ghana) : CRI, 1993 - 20 pages - Printed - CRI Crop Management Guide ; No. 9 .
English
Case studies
Research policies