J. BALAMURUGAN, B.; THIRUSANGU, K.; G. THOMAS, D.; J. MURALI, B. k-Zumkeller Labeling of Graphs. International Journal of Engineering & Technology, [S. l.], v. 7, n. 4.10, p. 460–463, 2018. DOI: 10.14419/ijet.v7i4.10.21040. Disponível em: https://sciencepubco.com/index.php/ijet/article/view/21040.. Acesso em: 22 dec. 2024.