Daniela, T., Melati, H. A., Erlina, E., Sasri, R., Hairida, H., & Lestari, I. (2023). Development of an Electronic Supplementary Book on Water Pollution. Hydrogen: Jurnal Kependidikan Kimia, 11(3), 305–327. https://doi.org/10.33394/hjkk.v11i3.7572