SUDHA, S.; RAJA*, G. M. EQUITABLE VERTEX COLORING OF SUDHA GRAPHS S(n,m). International Journal of Mathematical Archive, [S. l.], v. 9, n. 1, 2018. Disponível em: http://www.ijma.info/index.php/ijma/article/view/5339. Acesso em: 19 may. 2026.