Amin, Mohamad, and Sigit Kurniawan Wahyudi. “Teaching Competencies of Automotive Engineering Vocational School Teachers in East Kalimantan”. Cypriot Journal of Educational Sciences 19, no. 4 (October 30, 2024): 326–332. Accessed November 23, 2024. https://un-pub.eu/ojs/index.php/cjes/article/view/8990.