« Motivational Strategies Adopted by Principals Towards Improved Academic Performance of Students in Secondary Schools in Enugu State Nigeria », JGCS, vol. 7, nᵒ 1, p. 198–211, mars 2023, Consulté le: 23 juin 2026. [En ligne]. Disponible sur: https://journals.unizik.edu.ng/jgcs/article/view/3565