JEBAJESINTHA, J; JAYAGLORY, R; BHABITA, G. Odd Graceful Labelling of the Union of Cycle and Lobsters. International Journal of Computer Sciences and Engineering, [S. l.], v. 7, n. 5, p. 59–63, 2025. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/4826. Acesso em: 2 feb. 2026.