Samosir, A. E., Lumban Raja, V., & Ginting, F. Y. A. (2021). GRAMMATICAL ERRORS MADE BY THE TENTH GRADE STUDENTS OF SMK GRAFIKA BINA MEDIA MEDAN IN WRITING ADVERTISEMENT TEXT. Kairos English Language Teaching Journal, 4(2), 126–137. https://doi.org/10.54367/kairos.v4i2.1141