[1]
E. J. Sentani, M.-H. Yoo, E. Y. Z. Sitinjak, L. G. Kolombuto, A. T. Siahaan, and G. Susanto, “Exploration of Experience and Perception in Using Gradient Map for Digital Coloring”, ULTIMART, vol. 18, no. 2, pp. 195–206, Dec. 2025.