by Nwokoye, ChukwuNonso H, Umeh, Ikechukwu I, Mbeledogu, Njideka N, Okeke, Vincent O S
Published in Engineering letters (17.05.2021)

by Olugasa, B O, Okeke, O S, Ishola, O O
Published in African journal of medicine and medical sciences (01.12.2014)

by Ojukwu , Uche Grace, Okeke , V. O. S
Published in Kuwait chapter of Arabian journal of business & management review (01.03.2012)

by Okeke, Barrister V O S, Ugwuanyi, Ikechukwu, Bartholomew
Published in ICFAI journal of international relations (01.04.2014)