Chen, L. ., S. . Yordchim, and S. . Sukamolson. “The Use of Mobile App (Fluency in English) to Enhance the Speaking English Ability Among Chinese College Students”. Edelweiss Applied Science and Technology, vol. 9, no. 3, Mar. 2025, pp. 726-33, doi:10.55214/25768484.v9i3.5286.