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- [5] THE SPREAD OF FOOD-PRODUCTION IN SUB-SAHARAN AFRICA JOURNAL OF AFRICAN HISTORY, 1962, 3 (02): : 211 - 228
- [6] Crop rotation to improve agricultural production in sub-Saharan Africa JOURNAL OF AGRONOMY AND CROP SCIENCE-ZEITSCHRIFT FUR ACKER UND PFLANZENBAU, 2000, 184 (01): : 67 - 72
- [8] Foregone benefits of important food crop improvements in Sub-Saharan Africa PLOS ONE, 2017, 12 (07):