Syofyan, Dian Kastika, Edy Tri Baskoro, and Hilda Assiyatun. “Trees With Certain Locating-Chromatic Number”. Journal of Mathematical and Fundamental Sciences 48, no. 1 (April 1, 2016): 39-47. Accessed June 21, 2025. https://journals.itb.ac.id/index.php/jmfs/article/view/1470.