Faiza, Cut Riska, Syafrizal Idris, Muliani Muliani, Fajrul Wahdi Ginting, and Halimatus Sakdiah. 2023. “PENGARUH MODEL PROBLEM BASED LEARNING (PBL) BERBANTUA VIDEO YOUTUBE TERHADAP PEMAHAMAN KONSEP SISWA”. OPTIKA: Jurnal Pendidikan Fisika 7 (1):72-79. https://doi.org/10.37478/optika.v7i1.2696.