Rahmawati, Evi Febri, and Bintan Titisari. “Exploration of Excelsa Coffee Skin Waste As Natural Textile Dye on Ramie Fiber”. Serat Rupa: Journal of Design 7, no. 2 (November 1, 2023): 169–190. Accessed June 14, 2025. http://114.7.153.31/index.php/srjd/article/view/6466.