M. Amaruddin Yusuf, Fauziah, E., & Rumestri, A. D. S. (2026). Exploration of Batik QR Code using Atumics Method to Increase the Functional Value of Batik. Ultimart: Jurnal Komunikasi Visual, 19(1), 1–7. https://doi.org/10.31937/ultimart.v19i1.4365