“Implementasi Model Pembelajaran Berbasis Masalah Menggunakan Powerpoint Materi Stoikiometri Untuk Menigkatkan Hasil Belajar Siswa: Implementation of Problem Based Learning Model Using Powerpoint on Stoichiometry Lessons to Improve Student Learning Outcomes”. Talenta Conference Series: Science and Technology (ST) 2, no. 1 (February 13, 2019): 279–283. Accessed May 1, 2026. https://talentaconfseries.usu.ac.id/index.php/st/article/view/358.