مقالة · مجلة · 2017
Kwaku Adutwum Boakye, Adams Issahaku, Charles Atanga Adongo
Journal of Business and Enterprise Development (JOBED)
اقرأه10.47963/jobed.v7i0.128
كما طُبع: Kwaku Adutwum Ayim Boakye
كما طُبع: Issahaku Adams