T. Rajesh Kannan, and S. Chandrasekar. “Neutrosophic \(P R E-\alpha, S E M I-\alpha\) and \(P R E-\beta\) Irresolute Open and Closed Mappings in Neutrosophic Topological Spaces”. Malaya Journal of Matematik, vol. 8, no. 04, Oct. 2020, pp. 1795-06, doi:10.26637/MJM0804/0078.