Awiti, Jennipher Atieno, Henry Nyabuto Onderi, and Pamela Raburu. “Head teachers’ Supervision of Curriculum Implementation: Implications on Provision of Quality Secondary Education in Kenya”. Advances in Social Sciences Research Journal 3, no. 1 (January 18, 2016). Accessed May 5, 2024. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/1779.