Arnellis, Arnellis, Hutkemri Zulnaidi, Putri Yuanita, Yerizon Yerizon, Atika Sari, and Hamdani Syaputra. “Digital Mathematics Module Based on Problem-Based Learning Model With Classpoint Mathematics Gamification”. JURNAL EKSAKTA PENDIDIKAN (JEP) 9, no. 2 (November 27, 2025): 130-145. Accessed April 23, 2026. https://jep.ppj.unp.ac.id/index.php/jep/article/view/1060.