Kamau, P. W., D. Odero-Wanga, and C. N. Munyua. “Group Learning Challenges and Emerging Perspectives in Non-Formal Training Programs for the Vulnerable Youth in Nakuru County, Kenya”. The International Journal of Humanities & Social Studies, vol. 5, no. 12, Dec. 2017, https://internationaljournalcorner.com/index.php/theijhss/article/view/125488.