مقالة · مجلة · 2014
Henry Asante Antwi, Zhou Lulin, Ethel Yiranbon, Barffour Adusei Maxwell, Joseph A. Awuni, Naminse Eric Yaw و1 آخرون
International Journal of Academic Research in Economics and Management Sciences
اقرأه10.6007/ijarems/v3-i3/992
كما طُبع: Awuni Joseph Agebase