Arsyah RH, Jalinus N, Abdullah R, Indah Juwita A. Implementasi Model Problem Based Instruction (PBI) dalam Upaya Peningkatan Hasil Belajar Siswa . jpti [Internet]. 2022 Oct. 30 [cited 2025 Oct. 12];9(2):70-5. Available from: https://jpti-upiyptk.org/ojs/index.php/jpti/article/view/141