Hutabarat, Santi Jaya, Willem Saragih, and Masitowarni Siregar. “INTERPERSONAL MEANING ON TEACHER TALK: A FUNCTIONAL GRAMMAR APPROACH”. TRANSFORM : Journal of English Language Teaching and Learning 8, no. 1 (August 26, 2020). Accessed July 5, 2025. https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/19635.