Educational Supervision as Internal Quality Assurance Mechanism: Conceptualizing the Quality Assurance-Based Supervision Cycle (QASC) for Quality Education (SDG 4). Journal of Current Studies in SDGs, [S. l.], v. 2, n. 3, p. 260, 2026. DOI: 10.63230/jocsis.2.3.260. Disponível em: https://journal.i-ros.org/index.php/JOCSIS/article/view/260. Acesso em: 23 jul. 2026.