Octaberlina, L.R. and Muslimin, A.I. 2020. Theme-Rheme Analysis and Thematic Progression in Joko Widodo’s Speech. OKARA: Jurnal Bahasa dan Sastra. 14, 2 (Nov. 2020), 255-271. DOI:https://doi.org/10.19105/ojbs.v14i2.3900.