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), [S. l.], v. 2, n. 1, p. 279–283, 2019. DOI: 10.32734/st.v2i1.358. Disponível em: https://talentaconfseries.usu.ac.id/index.php/st/article/view/358. Acesso em: 1 may. 2026.