Adu, Risna Erni Yati, Angela Desy Putry Fay, and Marselina Theresia Djue Tea. “Eco-Dyeing of Timor Woven Fabrics Using Pterocarpus Indicus Bark Tannin As a Natural Mordant”. Hydrogen: Jurnal Kependidikan Kimia 12, no. 4 (August 30, 2024): 772–782. Accessed August 16, 2025. https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/11640.