Agustina, Nurul Saadah, and Novi Yanthi. “The Development of STEM-Based Worksheet in Elementary School”. Jurnal Penelitian Pendidikan IPA 9, no. 5 (May 31, 2023): 3839–3848. Accessed November 22, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3501.