S. KAVITHAA, A. ATKINSWESTLEY, R. PRIYA. PI indices of Pseudo Regular Graphs. Mathematical Statistician and Engineering Applications, [S. l.], v. 71, n. 3, p. 1991–1998, 2022. DOI: 10.17762/msea.v71i3.2355. Disponível em: https://www.philstat.org/index.php/MSEA/article/view/2355. Acesso em: 11 may. 2024.