TEAM, S. On k-Super Graceful Labeling of Graphs: Gee-Choon Lau, Wai-Chee Shiu, Ho-Kuen Ng. Thai Journal of Mathematics, [S. l.], v. 20, n. 3, p. 1375–1387, 2022. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1405. Acesso em: 3 jul. 2024.