Nainggolan, Mesda Pitrina. “IMPROVING STUDENTS’ SPEAKING SKILL THROUGH DEBATE TECHNIQUE AT SMK SWASTA DHARMA BAKTI MEDAN”. Kairos English Language Teaching Journal 1, no. 2 (July 17, 2017): 35–48. Accessed July 2, 2025. https://ejournal.ust.ac.id/index.php/KAIROS/article/view/502.