Pengaruh Model Pembelajaran Problem Based Learning (Pbl) Dengan Menggunakan Media Power Point Terhadap Hasil Belajar Siswa pada Materi Larutan Asam Basa: The Influence of Problem Based Learning (PBL) Using Media Point on Student Learning Outcomes in Basic Acid Solution Materials. st [Internet]. 2019 Jan. 30 [cited 2026 May 1];2(1):147-52. Available from: https://talentaconfseries.usu.ac.id/index.php/st/article/view/334