FALIH, Hazim. Effect of Some Environmental Factors on the Properties of Polyurethane/Silica Composites. Anbar Journal of Engineering Science, [S. l.], v. 2, n. 1, p. 30–35, 2009. DOI: 10.37649/aengs.2009.14247. Disponível em: https://ajes.uoanbar.edu.iq/ajes/article/view/368. Acesso em: 7 jun. 2025.