MAHAMMAD, A.T.; MAHAMMAD, M. J. New Kinds of Blocking sets in a Projective Plane PG(2,q). Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 22, n. 3, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1201. Acesso em: 31 mar. 2025.