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Abdulah, A., Hadiyanto, Solfema, Nurhizrah Gistituati, Atmazaki and Syafruddin 2023. Development of Problem-Based Learning Models to Improve Critical Thinking Skills in Citizenship Education Courses. International Journal Of Humanities Education and Social Sciences (IJHESS) . 2, 4 (Feb. 2023). DOI:https://doi.org/10.55227/ijhess.v2i4.337.