مقالة · مجلة · 2014
Michael Nwankwo, Peter O. Offor, Simeon Ikechukwu Neife, Lucky C. Oshionwu, Idenyi, N. E
Journal of Minerals and Materials Characterization and Engineering
كما طُبع: Michael O. Nwankwo
كما طُبع: Simeon I. Neife
كما طُبع: Ndubuisi E. Idenyi