Abel, Latifa Azhar, Des Welyyanti, Lyra Yulianti, and Dony Permana. “The Locating Chromatic Number of the Cyclic Chain Graph”. Science and Technology Indonesia 10, no. 3 (June 30, 2025): 958–962. Accessed May 24, 2026. https://www.sciencetechindonesia.com/index.php/jsti/article/view/1544.