M. REGEES; L. MERRIT ANISHA; T. NICHOLAS. Edge magic and bimagic harmonious labeling of ladder graphs. Malaya Journal of Matematik, India, v. 8, n. 01, p. 206–215, 2020. DOI: 10.26637/MJM0801/0035. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1375. Acesso em: 16 jul. 2024.