Wisudawati, Asih Widi, and Hans-Dieter Barke. “Proton Transfer: The First-Year Students’ Conceptual Understanding”. JTK (Jurnal Tadris Kimiya) 7, no. 2 (December 31, 2022): 157–165. Accessed December 6, 2025. https://journal.uinsgd.ac.id/index.php/tadris-kimiya/article/view/21029.