Ramadhani, Roki, Randi Eka Putra, and Elvima Nofrianni. “Student Learning Outcomes in Mathematics Through Problem-Based Learning: Hasil Belajar Matematika Siswa Melalui Problem-Based Learning”. Academia Open 10, no. 2 (September 8, 2025): 10.21070/acopen.10.2025.11954. Accessed September 12, 2025. https://acopen.umsida.ac.id/index.php/acopen/article/view/11954.