Ernazarov, Alisher. “The Impact of Problem-Based Learning (PBL) on Intellectual Indicators: A Comparative Analysis of STEM and Humanities Disciplines”. Web of Scholars : Multidimensional Research Journal 5, no. 4 (October 15, 2026): 189–197. Accessed October 26, 2026. https://journals.innoscie.com/index.php/wos/article/view/426.