Manalu, Ekam Sehari, Rika Rika, and Tiarnita Maria Sarjani Br. Siregar. 2020. “SPEAKING CLASSROOM INTERACTION BASED ON INITIATION-RESPONSE-FEEDBACK (IRF) MODEL FOR GRADE VIII AT SMP NEGERI 16 MEDAN”. TRANSFORM : Journal of English Language Teaching and Learning 8 (1). North Sumatera, Indonesia. https://doi.org/10.24114/tj.v8i1.19638.