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  <div class="csl-entry">Shinta, Putri, et al. “Implementing the Problem-Based Learning Model to Improve students’ Mathematical Problem-Solving Ability”. <i>Jurnal Absis: Jurnal Pendidikan Matematika Dan Matematika</i>, vol. 7, no. 2, Dec. 2024, pp. 300-9, doi:10.30606/absis.v7i2.2668.</div>
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