Agustin, Ardianti Dwi, and Berta Yonata. “Development of a STEM-Based Activity Sheet to Train Critical Thinking in Reaction Rates”. Hydrogen: Jurnal Kependidikan Kimia 14, no. 2 (April 30, 2026). Accessed May 15, 2026. https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/19898.