Silaban, Leady Tresia, and Marudut Sinaga. 2022. “Pengembangan Bahan Ajar Modul Berbasis Discovery Learning Pada Materi Laju Reaksi”. Educenter : Jurnal Ilmiah Pendidikan 1 (3):217-26. https://doi.org/10.55904/educenter.v1i3.78.