Hadi, Samsul, Suyanto Suyanto, and Slamet Slamet. “The Accuracy Aspects of Publications of the Directorate of Vocational High School Development in Promoting the Existence of the Secondary Vocational Education through Mass Media”. Jurnal Penelitian dan Evaluasi Pendidikan 21, no. 2 (December 30, 2017): 240–253. Accessed May 6, 2025. https://journal.uny.ac.id/index.php/jpep/article/view/12522.