Hasanah, U., Surur, M. and Mujiyanti, S.A. (2025) “THE EFFECT OF PROBLEM-BASED LEARNING (PBL) ON THE CRITICAL THINKING OF STUDENTS IN ECONOMICS CLASS XI AT MA AS SALAMAH IN THE 2024-2025 ACADEMIC YEAR”, Algebra : Jurnal Pendidikan, Sosial dan Sains, 5(4), pp. 999–1006. doi:10.58432/e8mgzv28.