Kristiana, Dewi, Siti Fatimah, and Agus Haerudin. “Effect Type Fixator on Batik With Natural Dyes of Green Betel Leaves (Piper Betle L)”. Prosiding University Research Colloquium (June 30, 2022): 308–315. Accessed May 1, 2025. https://www.repository.urecol.org/index.php/proceeding/article/view/2082.