S. SELESTIN LINA; S. ASHA. Odd triangular graceful labeling on simple graphs. Malaya Journal of Matematik, India, v. 8, n. 04, p. 1574–1576, 2020. DOI: 10.26637/MJM0804/0040. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1681. Acesso em: 16 jul. 2024.