An Empirical Investigation into Teaching Effectiveness and Teaching Competency of Government & Private Secondary School Teachers. International Journal of Food and Nutritional Sciences, [S. l.], v. 10, n. Special Issue 3, p. 730–736, 2021. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/4071. Acesso em: 8 sep. 2026.