Rafsanjani, A., S. Suwandi, and D. A. Linggar Bharati. “The Effectiveness of Role-Play and Information-Gap in E – Teaching Speaking Skill for High-Low Self-Confident Students”. English Education Journal, Vol. 10, no. 4, Dec. 2020, pp. 493-0, doi:10.15294/eej.v10i4.39569.