“Textual Function on the Vocational High Student’s Textbook: A Systemic Functional Linguistics Approach”. Jurnal Kajian Ilmu Pendidikan (JKIP) 6, no. 2 (Juni 9, 2025): 449–456. Diakses Juli 30, 2026. https://journal.al-matani.com/index.php/jkip/article/view/1360.