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  <div class="csl-entry"><div class="csl-left-margin">(1)</div><div class="csl-right-inline">Safrita, H.; Siregar, S. N.; Murni, A. Improving students’ Mathematical Representation Ability through Problem-Based Learning Model . <i>JA</i> <b>2024</b>, <i>7</i>, 207-217.</div></div>
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