Velody, Chepngetich, et Joseph Koskei. « Influence of Principals Problem-Solving Skills on Management of Student Discipline in Public Secondary Schools in Bureti Sub-County, Keny »a. East African Journal of Interdisciplinary Studies 6, no. 1 (décembre 19, 2023): 295-305. Consulté le août 24, 2025. https://journals.eanso.org/index.php/eajis/article/view/1579.