Pakpahan, Edwin, Ramlan Silaban, and Citra Sianturi. “Needs Analysis of Redox Reaction E-Module Teaching Material Based on PjBL Integrated With Local Wisdom”. Hydrogen: Jurnal Kependidikan Kimia 14, no. 1 (February 27, 2026): 86–94. Accessed May 29, 2026. https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/19587.