Basumatary, A.A., D.J. Sarma, and B.C. Tripathy. “Weakly $M$-Preopen Functions in Biminimal Structure Spaces”. Carpathian Mathematical Publications 15, no. 2 (December 17, 2023): 514–523. Accessed November 22, 2024. https://ktipe.pnu.edu.ua/index.php/cmp/article/view/5387.