RANI RAJEEVAN; T. K. MATHEW VARKEY. SFS and SFS-2 Domination. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 4, p. 143–147, 2018. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/336. Acesso em: 3 jul. 2024.