Silalahi RM, Sipayung KT. An Analysis Minimal Exchange Structures and General Exchange Structure in English Classroom Interaction Found in Youtube. IJET [Internet]. 2021 Dec. 31 [cited 2026 Feb. 23];10(2):228-54. Available from: https://jurnalftk.uinsa.ac.id/index.php/IJET/article/view/671