Zakkaria, M., K. Manurung, S. Bochari, and H. Hastini. “Analysis of Grammatical Errors in the Writing of the Eleventh Grade Students at SMA Labschool UNTAD Palu”. Journal of General Education and Humanities, vol. 4, no. 4, Nov. 2025, pp. 2323-34, doi:10.58421/gehu.v4i4.837.