S. K. VAIDYA; N B VYAS. Product cordial labeling for alternate snake graphs. Malaya Journal of Matematik, India, v. 2, n. 03, p. 188–196, 2014. DOI: 10.26637/mjm203/002. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/406. Acesso em: 16 jul. 2024.