Mahmood, Payman Majeed, Halgwrd M. Darwesh, and Hardi A. Shareef. “On Soft S_p-Closed and Soft S_p-Open Sets With Some Applications”. Tikrit Journal of Pure Science 29, no. 2 (April 25, 2024): 86–99. Accessed September 17, 2025. https://tjpsj.org/index.php/tjps/article/view/1547.