Rachmadhani, Rizqi, and Kiki Sugeng. “PELABELAN GRACEFUL PADA GRAF LILIN”. Pattimura Proceeding: Conference of Science and Technology 2, no. 1 (April 20, 2022): 155-160. Accessed March 29, 2024. https://ojs3.unpatti.ac.id/index.php/pcst/article/view/5654.