NufusHayatun, Turmudi Turmudi, and SyafitriYoesrina Novia Vini. “Enhancement Students’ Mathematical Connection Ability and Self- Efficacy through Problem Based Learning”. International Conference on Elementary Education 3, no. 1 (April 12, 2021): 62-65. Accessed April 26, 2024. http://proceedings.upi.edu/index.php/icee/article/view/1444.