BUDIAWAN, R. Y. S.; MUALAFINA, R. F.; ULFIYANI, S.; MUKHLIS. Enhancing Sociolinguistic Competence through a Digital Flipped Classroom: A Case Study in Indonesian as a Second Language Learning. GHANCARAN: Jurnal Pendidikan Bahasa dan Sastra Indonesia, p. 138—150, 10 Sep. 2025.