Team, Support. “Edelstein Type L-Fuzzy Fixed Point Theorems: Muhammad Sirajo Abdullahi, Akbar Azam, Poom Kumam”. Thai Journal of Mathematics (November 22, 2019). Accessed December 22, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/835.