Meena, K., and K. Sivakamasundari. “∆*-Locally Continuous Functions and ∆*-Locally Irresolute Maps in Topological Spaces”.
International Journal of Engineering & Technology, vol. 7, no. 4.10, Oct. 2018, pp. 407-9,
https://doi.org/10.14419/ijet.v7i4.10.21027.