Wiratchapan, Sirithorn, and Pramote Luenam. 2020. “A Fuzzy Analytic Hierarchy Process Approach for Optimal Selection of Thai Commercial Banks’ Cardless ATM Services”. Journal of Applied Statistics and Information Technology 5 (1):25-38. https://ph02.tci-thaijo.org/index.php/asit-journal/article/view/200732.