Machfudiyanto, Rossy Armyn, and Danang Priyo Utomo. “IMPLEMENTASI KEBIJAKAN SMK 3 DI PERUSAHAAN KONTRAKTOR DI YOGYAKARTA”. CivETech: Civil Engineering and Technology Journal 1, no. 2 (August 1, 2019): 47–56. Accessed December 5, 2025. https://jurnal.ucy.ac.id/index.php/CivETech/article/view/710.