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  <div class="csl-entry">MAHARANI, Zulfa; SAKUR; ARMIS. Improving mathematical problem-solving skills in ratio through the application of problem-based learning. <b>Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika</b>, <i>[S. l.]</i>, v. 7, n. 2, p. 234–244, 2024. DOI: 10.30606/absis.v7i2.2602. Disponível em: http://journal.upp.ac.id/index.php/absis/article/view/2602. Acesso em: 12 jan. 2025.</div>
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