Jebungei, Dr. Kutto. “Green Skills and Sustainable Economy in Kenya: The Influence of TVET Trainer Competencies”. Africa Journal of Technical and Vocational Education and Training 5, no. 1 (April 27, 2020): 29-40. Accessed September 25, 2020. http://afritvet.org/index.php/Afritvet/article/view/101.