Payman majeed, Shareef H, Darwesh H. Three Classes of Soft Functions Via Soft -Open Sets and Soft -Closed Sets. wjps [Internet]. 2024 Mar. 30 [cited 2025 Dec. 27];3(1):1-17. Available from: https://wjps.uowasit.edu.iq/index.php/wjps/article/view/288