PENGARUH MODEL PBL (PROBLEM BASED LEARNING) PADA MATERI LARUTAN ELEKTROLIT DAN NON ELEKTROLIT TERHADAP KETERAMPILAN PROSES SAINS. alilmi [Internet]. 2020 Dec. 31 [cited 2025 May 17];9(2):1-9. Available from: https://jurnal.radenfatah.ac.id/index.php/alilmi/article/view/14485