Rini Kurniatun Sari, Dedi Purnama, L., Usman, U. and Jaelani Al Pansori, M. 2026. Language Politeness in Indonesian Language Instruction at SDN Satu Seruni Mumbul. Jurnal Multidisiplin Sahombu. 6, 02 (Jan. 2026), 7–15.