Azizah, Alfi, Suparno, and Slamet Supriyadi. “Reasons Behind Students’ Silence to Teacher’s Directive Utterances: A Case Study on A Lower Secondary School in Yogyakarta”. NOBEL: Journal of Literature and Language Teaching 13, no. 2 (September 30, 2022): 254–270. Accessed February 21, 2026. https://jurnalfahum.uinsa.ac.id/index.php/nobel/article/view/522.