Ridwan, Ahmad, Ary Agung Wibowo, Widiyanti Widiyanti, Didik Nurhadi, and Isnandar Isnandar. “The Concept Directions of Development 21st Century Vocational Education”. The Eurasia Proceedings of Educational and Social Sciences 39 (December 30, 2024): 80–92. Accessed July 1, 2025. https://www.epess.net/index.php/epess/article/view/874.