Dewi, Widya Shintya, Maimunah, and Nahor Murani Hutapea. “Pengaruh Penerapan Model Problem Based Learning Terhadap Peningkatan Self Efficacy Siswa SMP Kota Pekanbaru”. Pi: Mathematics Education Journal 7, no. 1 (June 1, 2024): 49–56. Accessed July 3, 2024. http://ejournal.unikama.ac.id/index.php/pmej/article/view/9607.