S, A., Sidabutar, U. . and Siahaan, S. T. (2025) “Textual Function on the Vocational High Student’s Textbook: A Systemic Functional Linguistics Approach”, Jurnal Kajian Ilmu Pendidikan (JKIP), 6(2), pp. 449-456. doi: 10.55583/jkip.v6i2.1360.