Prayoga, Agung Madhi, Citra Ayu Dewi, and ahmadi ahmadi. “Pengembangan Bahan Ajar Reaksi Redoks Dan Elektrokimia Berbasis Problem Posing”. Hydrogen: Jurnal Kependidikan Kimia 2, no. 2 (December 4, 2014): 187–191. Accessed August 16, 2025. https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/650.