Tamakloe , Elvis , Kwame Nkrumah University of Science and Technology, Kumasi, Ghana Tamakloe, Elvis , Kwame Nkrumah University of Science and Technology Tembo Welo, Audrey, Faculty of Science and Technology, University of Kinshasa, Kinshasa, D.R.Congo Thanujan, Thanushya, University of Kelaniya Tshikutu Bikengela , Anaclet, Faculté d’Informatique, université Notre-Dame du Kasayi, Kananga, D.R.Congo