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  <div class="csl-entry">ULLAH, K.; MAHMOOD, T.; JAN, N.; BROUMI, S.; KHAN, Q. On Bipolar-Valued Hesitant Fuzzy Sets and Their Applications in Multi-Attribute Decision Making. <b>The Nucleus</b>, <i>[S. l.]</i>, v. 55, n. 2, p. 93–101, 2018. DOI: 10.71330/thenucleus.2018.417. Disponível em: http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/417. Acesso em: 6 jun. 2026.</div>
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