M. Amaruddin Yusuf et al. 2026. Exploration of Batik QR Code using Atumics Method to Increase the Functional Value of Batik. Ultimart: Jurnal Komunikasi Visual. 19, 1 (Jun. 2026), 1–7. DOI:https://doi.org/10.31937/ultimart.v19i1.4365.