مقالة · مجلة · 2020
Kelechukwu C. N. Dozie, Maxwell Azubuike Ijomah
American Journal of Mathematical and Computer Modelling
اقرأه10.11648/j.ajmcm.20200501.12
كما طُبع: Kelechukwu Celestine Nosike Dozie
كما طُبع: Maxwell Azubuike Ijomah