Hengran Yang. “Research on AI-Driven Adaptive Difficulty and Feedback Mechanisms in Serious Games: A Case Study of Complex Procedural Skills Training”. Journal of Exploration of Vocational Education 4, no. 3 (July 13, 2025): 23–39. Accessed August 8, 2025. https://www.zyjyts.cn/index.php/tet/article/view/60.