Iqbal, Much., Sati Sati, and Nurkholis Nurkholis. “Penerapan Model Problem Based Learning (PBL) Untuk Meningkatkan Hasil Belajar Peserta Didik Pada Mata Pelajaran Matematika”. J-CEKI : Jurnal Cendekia Ilmiah 3, no. 5 (August 7, 2024): 3705–3714. Accessed September 8, 2024. https://journal-nusantara.com/index.php/J-CEKI/article/view/4747.