Haryani, Tri, M. Sofwan Efendi, M. Takdir, Kamaludin, and Kenzhebayeva A.T. “The Policy of the Four-Year Vocational High School Program from a Stakeholder Perspective”. Jurnal Pendidikan Teknik Sipil 7, no. 2 (January 14, 2026): 86–98. Accessed January 15, 2026. https://journal.uny.ac.id/index.php/jpts/article/view/93000.