C. I. Nwoye

Department of Metallurgical and Materials Engineering, Nnamdi Azikiwe University, Awka, Nigeria

C. U. Nwoye

Federal Medical Centre Abakiliki, Ebonyi State, Nigeria

S. O. Nwakpa

Department of Metallurgical and Materials Engineering, Nnamdi Azikiwe University, Awka, Nigeria

E. C. D. Nwoye

Federal Medical Centre Abakiliki, Ebonyi State, Nigeria

O. C. A. Nwoye

Federal Medical Centre Abakiliki, Ebonyi State, Nigeria

B. C. Chukwudi

Department of Mechanical Engineering, Imo State University, Owerri, Nigeria

N. E. Idenyi

Department of Industrial Physics, Ebonyi State University, Abakiliki, Nigeria