Goldsmith, A., and P. Sujaritjan. “AN ANALYSIS OF GRAMMATICAL ERRORS MADE BY 3rd-YEAR THAI BUSINESS ENGLISH UNDERGRADUATES WHEN SPONTANEOUSLY WRITING NARRATIVE AND DESCRIPTIVE PARAGRAPHS”. International Journal of Research -GRANTHAALAYAH, vol. 8, no. 8, Aug. 2020, pp. 75-95, doi:10.29121/granthaalayah.v8.i8.2020.920.