BHAVALE, A.; SHELKE*, D. D. Graceful Labeling of Posets. Annals of Mathematics and Physics, [S. l.], v. 8, n. 1, p. 018–028, 2025. DOI: 10.17352/amp.000142. Disponível em: https://www.peertechzpublications.us/amp/article/view/AMP-8-242. Acesso em: 8 apr. 2025.