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  <div class="csl-entry"><div class="csl-left-margin">[1]</div><div class="csl-right-inline">H. Safrita, S. N. Siregar, and A. Murni, “Improving students’ mathematical representation ability through problem-based learning model ”, <i>JA</i>, vol. 7, no. 2, pp. 207–217, Dec. 2024.</div></div>
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