Sisilia Domitila Sangur, Helen J. Lawalata, and Zusje W. M. Warouw. “Application of Direct Learning Model to Improve Student Learning Outcomes on Digestive System Materials in Class XI Science 2 SMA Negeri 7 Southeast Maluku”. Polygon : Jurnal Ilmu Komputer dan Ilmu Pengetahuan Alam 2, no. 6 (October 18, 2024): 61–70. Accessed April 19, 2025. https://journal.arimsi.or.id/index.php/Polygon/article/view/277.