Pakpahan, Edwin, Ramlan Silaban, and Citra Sianturi. 2026. “Needs Analysis of Redox Reaction E-Module Teaching Material Based on PjBL Integrated With Local Wisdom”. Hydrogen: Jurnal Kependidikan Kimia 14 (1):86-94. https://doi.org/10.33394/hjkk.v14i1.19587.