مقالة · مجلة · 2022
Chi Aloysius Ngong, Chinyere Onyejiaku, Dobdinga Cletus Fonchamnyo, Njimanted Godfrey Forgha, Njong Mom Aloysius, Josaphat U. J. Onwumere
Environmental Quality Management
كما طُبع: Chinyere C. Onyejiaku
كما طُبع: Josaphat Uchechukwu Joe Onwumere