D. Warna, B. Wijaya, E. Sartika, and W. A. Riznanda, “Cohesive Devices Used in Argumentative Essays of Undergraduate EFL Students in Indonesia”, Engl. Franca acad. j. of Engl. lang. and educ., vol. 3, no. 2 November, pp. 125–148, Dec. 2019.