Improving Students’ Motivation to Complete Assignments on Time through Project-Based Learning: A Classroom Action Research at SMA Negeri 3 Palu. International Journal of Education and Learning Assessment, [S. l.], v. 1, n. 03, p. 108–116, 2025. Disponível em: https://ijoela.com/index.php/ijel/article/view/81.. Acesso em: 16 jan. 2026.