PARIMELAZHAGAN R.; SULOCHANA V.; VIMAL KUMAR S. Secure domination in 4-regular planar and non-planar graphs with girth 3. Utilitas Mathematica , [S. l.], v. 108, 2018. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1292. Acesso em: 26 jul. 2026.