EFEKTIVITAS MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SISWA MATERI SUHU DAN KALOR MATA PELAJARAN IPA SMPN 1 BOJA TAHUN PELAJARAN 2019/2020. ijsetedu [Internet]. 2024 Jul. 29 [cited 2024 Oct. 17];1(3). Available from: https://journal.ijsetjournal.org/index.php/education/article/view/17