Adu, R.E.Y. et al. 2024. Eco-Dyeing of Timor Woven Fabrics using Pterocarpus Indicus Bark Tannin as a Natural Mordant. Hydrogen: Jurnal Kependidikan Kimia. 12, 4 (Aug. 2024), 772–782. DOI:https://doi.org/10.33394/hjkk.v12i4.11640.