Tri Bagus Aji Pamungkas, Ryan Ilham Syahputra, Muhammad Taufik, Islah Shalahuddin, and Iu Rusliana. “Development of Vocational Learning and Training Methods (case Study: Bandung Vocational and Productivity Training Center)”. Jurnal Ekonomi 13, no. 01 (January 20, 2024): 804–817. Accessed April 18, 2026. https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/3851.