Thakur, Samajh Singh, Chandra Prakash Rathor, and Jyoti Pandey Bajpai. “Intuitionistic Fuzzy Semi δ-Preopen Sets and Intuitionistic Fuzzy Semi δ-Precontinuity”. Journal of the Indonesian Mathematical Society 27, no. 2 (July 16, 2021): 212–227. Accessed April 3, 2025. https://jims-a.org./index.php/jimsa/article/view/993.