Marbun, Lusiana, and Herwandi Herwandi. “Kesantunan Tuturan Interogatif Dalam Acara Online Media Gathering Dampak Covid-19 Pada Petani Sawit RSPO DI Youtube”. J-LELC: Journal of Language Education, Linguistics, and Culture 1, no. 1 (February 2, 2021): 79–86. Accessed June 4, 2026. https://journal.uir.ac.id/index.php/j-lelc/article/view/6237.