Bawa, I Ketut. “Penerapan Problem Based Learning Berbantuan LKS Untuk Meningkatkan Self-Efficacy Dan Hasil Belajar Matematika”. Journal of Education Action Research 3, no. 2 (April 10, 2019): 90–99. Accessed May 1, 2024. https://ejournal.undiksha.ac.id/index.php/JEAR/article/view/17264.