“The Effectiveness of Collaborative Problem-solving Using Decision-making Problems to Improve the Pre-service Physics Teachers’ Critical Thinking Skills”. Jurnal Pendidikan Fisika 9, no. 2 (Mei 3, 2021): 107–116. Diakses Agustus 1, 2026. https://journal.unismuh.ac.id/index.php/jpf/article/view/5059.