JAN GRANNÄS. Evaluating Teaching Effectiveness Through Student Outcomes: An Analysis of Clarity, Helpfulness, and Feedback Timeliness. International Journal For Research In Educational Studies, [S. l.], v. 12, n. 1, p. 11–22, 2026. DOI: 10.53555/es.v12i1.2513. Disponível em: https://ijfres.com/index.php/es/article/view/2513. Acesso em: 22 apr. 2026.