Ermika, E., Sinambela, E. and Nahum Pasaribu, A. 2021. Lexical And Grammatical Ambiguities In Engligsh Texbook For Tenth Grade Students. International Journal of Educational Research & Social Sciences . 2, 3 (Jun. 2021), 494–502. DOI:https://doi.org/10.51601/ijersc.v2i3.87.