Anam, M.S., Rokhman, F. and Indiatmoko, B. 2019. Assertive Speech Acts between Telecommunication Call Center with Customers: Study of Pragmatic. Seloka: Jurnal Pendidikan Bahasa dan Sastra Indonesia. 8, 2 (Aug. 2019), 57-62. DOI:https://doi.org/10.15294/seloka.v8i2.33236.