V. ANUSUYA, M. N. S. V. . On Paired Double Domination Number of Grid Graphs. Mathematical Statistician and Engineering Applications, [S. l.], v. 71, n. 2, p. 693–701, 2022. DOI: 10.17762/msea.v71i2.2440. Disponível em: https://www.philstat.org/index.php/MSEA/article/view/2440. Acesso em: 21 may. 2024.