Learning and Instructional Principles in the Perspective of 21st-Century Education: A Conceptual Review and Theoretical Synthesis. IJEA: International Journal of Education and Assessment, [S. l.], v. 2, n. 2, 2026. Disponível em: https://journalpejuang.web.id/index.php/ijea/article/view/143. Acesso em: 16 jul. 2026.