Widhana IW. Meningkatkan Prestasi Belajar Matematikan Melalui Penerapan Model Pembelajaran Problem Based Instruction Siswa. Mimbar Pendidikan ina. [Internet]. 2021 Jan. 8 [cited 2025 Apr. 5];1(3). Available from: https://ejournal.undiksha.ac.id./index.php/JIPI2/article/view/30940