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  <div class="csl-entry">HAYAT, N.; MUGHAL, H. U.; NABIAND, H. Z.; MOEENUDDIN, G. Impact of Natural Gas and Biogas on Engine Lube Oil Condition. <b>The Nucleus</b>, <i>[S. l.]</i>, v. 54, n. 2, p. 83–89, 2017. DOI: 10.71330/thenucleus.2017.58. Disponível em: http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/58. Acesso em: 6 jun. 2026.</div>
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