Andafu, Edward Maina. “Evaluation of the Teacher Professional Development (TPD) Programme in Kenya in the Light of Knowles’ Conception of Andragogy”. Msingi Journal 7, no. 1 (December 20, 2023): 32–53. Accessed September 23, 2026. https://kerd.ku.ac.ke/index.php/msingi/article/view/432.