مقالة · مجلة · 2012
Ebenezer Bennet, Lydia Obenewaa Amoako, Ricky-Okine Charles, Edward Asumadu, Joseph Asante Darkwah
International Journal of Business Administration
اقرأه10.5430/ijba.v3n5p99
كما طُبع: Ricky Okine Charles
كما طُبع: Asumadu Edward