مقالة · مجلة · 2009
Tomokazu Nagai, JM Staatz, RH Bernsten, Esther Sakyi‐Dawson, George Amponsah Annor
African Journal of Food Agriculture Nutrition and Development
اقرأه10.18697/ajfand.30.3425
كما طُبع: EO Sakyi-Dawson
كما طُبع: GA Annor