DERLA, IVY T., Avelino D. Bitang, and Yuanyuan Li. 2026. “Big Data Analysis Of Common Grammar Errors Among Efl Learners: A Basis For Improving English Writing Instruction Aligned With Sdg 4 (Quality Education) ”. International Journal of Multidisciplinary Research 2 (1):148-54. https://doi.org/10.65231/ijmr.v2i1.123.