Djalaluddin, Mawardi, Uswatunnisa, and Nihla Afdaliah. “Instructional Materials for Etiquette Due to the Politeness Crisis in Gen-Z”. Jurnal Pendidikan dan Pengajaran 57, no. 2 (August 1, 2024): 336–345. Accessed December 20, 2024. https://ejournal.undiksha.ac.id./index.php/JPP/article/view/81307.