S. Jothimani, T.Jenitha Premalatha*,. “INTUITIONISTIC FUZZY Ï€ - GENERALIZED SEMI PRE CLOSED SETS”. Asian Journal of Current Engineering and Maths 1, no. 5 (October 7, 2013). Accessed May 4, 2024. http://innovativejournal.in/index.php/ajcem/article/view/109.