Affiliation: | 1.Physics Department, Covenant University, P.M.B. 1023, Ota, Ogun State, Nigeria ;2.Building Technology Department, Covenant University, P.M.B. 1023, Ota, Ogun State, Nigeria ;3.Chemical Engineering Department, Covenant University, P.M.B. 1023, Ota, Ogun State, Nigeria ;4.Department of Mechanical Engineering, University of Johannesburg, APK, Johannesburg, South Africa ; |