2010 · Frank Kagoda, Danny Coyne, et al. · CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research) · 12
2006 · Coyne, Danny L., Toko, M., et al. · CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research) · 6
2004 · Frank Kagoda, D. Coyne, et al. · CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research) · 1