Anwar, Muhammad, et al. “Planning, Cognitive Strategy, and Self-Checking in Project-Based Learning: Which Learning Strategies Best Predict HOTS Gains?”. International Journal of Online and Biomedical Engineering (iJOE), vol. 22, no. 10, Oct. 2026, pp. pp. 47–60, doi:10.3991/ijoe.v22i10.61183.