Siregar, R. Y., A. Q. . Bulolo, and E. . Saragih. “Grammatical Error Analysis in Translating Conditional Sentences from Indonesia into English”. Jurnal Ilmiah Profesi Pendidikan, vol. 7, no. 2b, May 2022, pp. 547-53, doi:10.29303/jipp.v7i2b.508.