“STRESS AND TEACHERS’ EFFECTIVENESS IN PUBLIC SECONDARY  SCHOOLS IN NIGERIA: A PHILOSOPHICAL ANALYSIS TOWARDS  SUSTAINABLE NATIONAL DEVELOPMENT” (2026) Scientific Journal of Educational Management, Research and law, 5(1), pp. 239–247. Available at: https://journals.aemapp.org/index.php/SJEMRL/article/view/350 (Accessed: 7 July 2026).