Astuti, Agung Yulia, I Made Citra Wibawa, and I Made Suarjana. “The Effectiveness of Problem Based Learning Toward Students’ Science Learning Outcomes”. Jurnal Ilmiah Sekolah Dasar 4, no. 4 (March 1, 2021): 573–580. Accessed December 27, 2024. https://ejournal.undiksha.ac.id/index.php/JISD/article/view/25667.