Udechukwu, Ajumobi, Dept. of Computer Science, University of Calgary Ukaj, Fatos, University of Prishtina, Kosovo, Faculty of Economic Utami, Nindia Putri, Department of Agribusiness, Universitas Muhammadiyah Yogyakarta, Indonesia Uwizeyemungu, Sylvestre, Université du Québec à Trois-Rivières, Canada