“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” (2019) Talenta Conference Series: Science and Technology (ST), 2(1), pp. 279–283. doi:10.32734/st.v2i1.358.