S. MANGALESWARAN, R. GANAPATHYRAMAN. Odd Triangular Graceful Labeling and Odd Triangular Graceful Number of Special Trees and Some Graphs. Mathematical Statistician and Engineering Applications, [S. l.], v. 71, n. 4, p. 10982–10995, 2023. DOI: 10.17762/msea.v71i4.2038. Disponível em: https://www.philstat.org/index.php/MSEA/article/view/2038. Acesso em: 6 may. 2024.