Purnomo, R. ., Azizah, S. N. ., Shofi, A. T. ., Rahmawan, G. A. ., Ramadhan, R. ., Fauzi, M. . and Septianto, T. . (2025) “The Impact of Grammar Knowledge on Student Proficiency in Malaysian Elementary Schools”, Cetta: Jurnal Ilmu Pendidikan, 8(1), pp. 154–161. doi: 10.37329/cetta.v8i1.3741.