Visalakshi, V., D. Vidhya, and T. Yogalakshmi. “On Generalizations of Soft Fuzzy Gδ Semi-Closed Sets”. International Journal of Engineering & Technology 7, no. 4.10 (October 2, 2018): 1105–1110. Accessed May 2, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/28814.