Jihan Balqis Aghniyah, Hastini, dan Moh. Riswanto. “Improving Students’ Motivation to Complete Assignments on Time through Project-Based Learning: A Classroom Action Research at SMA Negeri 3 Palu”. Jurnal Pendidikan dan Pembelajaran 4, no. 02 (November 6, 2025): 1861–1868. Diakses November 15, 2025. https://ojs.smkmerahputih.com/index.php/juperan/article/view/1516.