CHAURASIYA, M.; RUPANI, M.; KHUNTI, S. graceful labeling of merge graph , bistar graph, friendship graph, Cdn relation graph. International Journal of Technical Innovation in Modern Engineering & Science, [S. l.], v. 6, n. 11, p. 07–14, 2021. Disponível em: https://ijtimes.com/index.php/ijtimes/article/view/42. Acesso em: 5 feb. 2025.