Fitria Purnamasari, Sukartono, Fitri Puji Rahmawati, Minsih, and Choiriyah Widyasari. “Social Harmony of Society As a Source of Politeness Learning for Elementary School Students”. Jurnal Ilmiah Sekolah Dasar 6, no. 4 (December 13, 2022): 627–636. Accessed May 6, 2024. https://ejournal.undiksha.ac.id/index.php/JISD/article/view/53698.