Lestari, Amanda, Elvy Rahmi Mawarnis, and Dwivelia Aftika Sari. 2026. “Development and Validation of an Ethnochemistry Integrated Digital Pop Up Book for Acid–Base Instruction”. Hydrogen: Jurnal Kependidikan Kimia 14 (1):15-22. https://doi.org/10.33394/hjkk.v14i1.19577.