Pakpahan, Regina, Patricia Runtu, and Meidy Kuron. “BEBERAPA ALGORITMA PELABELAN GRACEFUL UNTUK GRAF CATERPILLAR”. SOSCIED 6, no. 1 (July 31, 2023): 296-302. Accessed September 7, 2025. https://jurnal.poltekstpaul.ac.id/index.php/jsoscied/article/view/690.