Sayed ELAGAN และ Rabha IBRAHIM. (2015) Fuzzy and l-Fuzzy Subset in a Locally Convex Topology. <i>Walailak Journal of Science and Technology</i>, <i>12</i>(11), 1075.Sayed ELAGAN และ Rabha IBRAHIM. "Fuzzy and l-Fuzzy Subset in a Locally Convex Topology". Walailak Journal of Science and Technology 12 (2015):1075.Sayed ELAGAN และ Rabha IBRAHIM. Fuzzy and l-Fuzzy Subset in a Locally Convex Topology. Walailak University:ม.ป.ท. 2015.