Harefa, Darmawan, Efrata Ge’e, Kalvintinus Ndruru, Mastawati Ndruru, Lies Dian Marsa Ndraha, Tatema Telaumbanua, Murnihati Sarumaha, and Fatolosa Hulu. 2021. “PEMANFAATAN LABORATORIUM IPA DI SMA NEGERI 1 LAHUSA”. EduMatSains : Jurnal Pendidikan, Matematika Dan Sains 5 (2), 105-22. https://doi.org/10.33541/edumatsains.v5i2.2062.