J. C. KANANI; V. J. KANERIA. Graceful labeling of combination graph derived by coupling a graph with quadrilateral snake. Malaya Journal of Matematik, India, v. 9, n. 01, p. 945–949, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1202. Acesso em: 24 nov. 2024.