Sulistyaningsih, Sulistyaningsih, and Joko Slamet. “An Analysis of Conjunctions Found in Barack Obama’s Farewell Speech Text”. OKARA: Jurnal Bahasa dan Sastra 12, no. 2 (November 30, 2018): 201-212. Accessed August 20, 2025. https://ejournal.uinmadura.ac.id/index.php/okara/article/view/2013.