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Dahliah, J., A. Fitriani, and R. Risnanosanti. “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, Vol. 10, no. 1, Mar. 2026, https://jurnal.unimen.cloud/index.php/maspuljr/article/view/9263.