Sakwa, Suleiman, Mary Mugwe, و Susan Macharia. "Principal’s Teacher Reward Strategies on Teacher Performance in Public Secondary Schools in Mumias East Sub-County, Keny"a. East African Journal of Education Studies 6, no. 1 (يناير 18, 2023): 38-55. تاريخ الوصول يوليو 22, 2024. https://journals.eanso.org/index.php/eajes/article/view/1050.