Hila, Kostaq, Abdullah, Saleem, and Dine, Jani. “On Intuitionistic Fuzzy Hyperideals in Γ-Semihypergroups through Left Operator Semihypergroup”. Utilitas Mathematica, vol. 100, June 2016, https://utilitasmathematica.com/index.php/Index/article/view/1109.