University of Energy and Natural Resources (UENR), Kwame Nkrumah University of Science and Technology, Ghana, Kwame Nkrumah University of Science and Technology, Ghana, Kwame Nkrumah University of Science and Technology, Ghana, Kwame Nkrumah University of Science and Technology, Ghana, Kwame Nkrumah University of Science and Technology, Ghana, Kwame Nkrumah University of Science and Technology, Ghana, Kwame Nkrumah University of Science and Technology, Ghana and Bolgatanga Technical University