Maryana, and Desi Wulandari. “Smart Box Learning Media Based on Problem Based Learning to Improve Science Environmental Learning Outcomes”. Jurnal Penelitian Pendidikan IPA 10, no. 6 (June 20, 2024): 3141–3151. Accessed November 22, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/7244.