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  <div class="csl-entry"><div class="csl-left-margin">(1)</div><div class="csl-right-inline">Kholisah, S. A.; Anggraini, R. D.; Kartini. Implementation of the Problem-Based Learning Model to Improve students’ Mathematical Problem-Solving Skills. <i>JA</i> <b>2024</b>, <i>7</i>, 245-255.</div></div>
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