Nasution, Ramadhayani Fitri. “IMPROVING THE STUDENTS ACHIEVEMENT IN SPEAKING THROUGH TEAMS-GAMES-TOURNAMENT TECHNIQUE”. TRANSFORM: Journal of English Language Teaching and Learning 3, no. 3 (September 5, 2014). Accessed February 4, 2026. https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/1365.