Wijayanti, Farida Indri, Fitri Ana Ika Dewi, Linda Safitri, and Fatimah Fatimah. “How Do English for Nusantara Textbooks Represent Identity and Politeness to Develop students’ Sociolinguistic Competence?”. Diglosia: Jurnal Kajian Bahasa, Sastra, dan Pengajarannya 9, no. 1 (February 25, 2026): 133-148. Accessed April 5, 2026. https://www.alfianunmul.com/diglosiacadangan/index.php/diglosia/article/view/1446.