Siswanto, S. et al. 2025. Principles of Polite Language Use for Grade XI Students at SMK Kelapa Sawit Arsya Geneeta Indonesia Pangkalan Kerinci. J-LELC: Journal of Language Education, Linguistics, and Culture. 5, 1 (Feb. 2025), 72–77. DOI:https://doi.org/10.25299/j-lelc.2025.22570.