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Dahliah, Jeli, Apriza Fitriani, and Risnanosanti Risnanosanti. 2026. “Students’ Critical Thinking and Mathematical Problem Solving Skills through the Problem Based Learning (PBL) Model and Guided Inquiry at SMA Negeri 5 Lebong”. Edumaspul: Jurnal Pendidikan 10 (1). https://jurnal.unimen.cloud/index.php/maspuljr/article/view/9263.