Pakpahan E, Silaban R, Sianturi C. Analysis of E-Module Teaching Material Needs for Redox Reaction Topics Based on Project-Based Learning (PjBL) Integrated with Local Wisdom Culture. HJKK [Internet]. 2026 Feb. 24 [cited 2026 Feb. 27];14(1). Available from: https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/19587