مقالة · مجلة · 2020
Cosmas Ikechukwu Asogwa, Osmund Chinweoda Ugwu, Godwin Keres Okereke, Samuel Adeyemi Adedoyin, Airenvbahihe Igbinedion, Anthonia Uju Uzuagu و1 آخرون
Cogent Business & Management
كما طُبع: Godwin Keres Okoro Okereke
كما طُبع: Adedoyin Samuel