A. VADIVEL; C. SIVASHANMUGARAJA. On $\gamma$-regular Semi-open Sets. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 1 - A, p. 23–28, 2018. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/893. Acesso em: 17 may. 2024.