مقالة · مجلة · 2011
Andrew Agyei‐Holmes, Hayford Mensah Ayerakwa, Robert Osei, Isaac Osei‐Akoto
Conference on Increasing Agricultural Productivity and Enhancing Food security in Africa, November
كما طُبع: A Agyei-Holmes
كما طُبع: HM Ayerakwa
كما طُبع: RD Osei
كما طُبع: I Osei-Akoto