Hariyanti, W., Masriani, M., Sasri, R., Sapar, A., & Erlina, E. (2024). Development of E-Supplement Biomordant from Several Species of Ferns (Pteridophyta) as A Teaching Material for Green Chemistry Course. Hydrogen: Jurnal Kependidikan Kimia, 12(2), 327–337. https://doi.org/10.33394/hjkk.v12i2.11016