Madu, P. A., and W. N. Muhingi. “Role of NGOs in Youth Economic Empowerment: Case Study of Charles Lwanga Centre Kibera, Kenya”. The International Journal of Humanities & Social Studies, vol. 5, no. 11, Nov. 2017, https://internationaljournalcorner.com/index.php/theijhss/article/view/125498.