Mulyaningrum, Wieke, and Endang Sumarti. 2020. “Tindak Tutur Direktif Dalam Pidato Presiden Joko Widodo Di Masa Pandemi Covid-19”. Prosiding Seminar Nasional IKIP Budi Utomo 1 (01), 138-46. https://doi.org/10.33503/prosiding.v1i01.1023.