M. V. Avwotujevwe, “The Impact of Head Teachers’ Characteristics on Primary School Effectiveness in Delta Central Senatorial District”, Direct Res. J.Edu. Voc. Studies, vol. 6, no. 2, pp. 81–87, Aug. 2024, Accessed: May 30, 2026. [Online]. Available: https://journals.directresearchpublisher.org/index.php/drjevs/article/view/413