مقالة · مجلة · 2017
Ikenna Kelvin Obiyor, Christopher D. Nwani, Gregory Ejikeme Odo, Josephine Madu, Doris Ulumma Ndudim, Ifeanyi O. Aguzie
HAL (Le Centre pour la Communication Scientifique Directe)
كما طُبع: Obiyor, Ikenna Kelvin
كما طُبع: Nwani, Christopher Didigwu
كما طُبع: Odo, Gregory Ejikeme
كما طُبع: Madu, Josephine Chinenye
كما طُبع: Ndudim, Doris Ulumma
كما طُبع: Aguzie, Ifeanyi Oscar Ndimkaoha