Rosyidah, Ima, and Ahmad Sofwan. “POLITENESS STRATEGIES IN OFFICIAL FACEBOOK ACCOUNTS OF CNN, TWSJ AND NBC ON OBAMA VISITING HIROSHIMA”. English Education Journal 7, no. 1 (May 31, 2017): 12-18. Accessed May 17, 2024. https://journal.unnes.ac.id/sju/eej/article/view/14641.