ROUF, R.; ALAM, M.; KHAN, M. Approximation approach to multiple singularities of flow through a porous pipe with decelerating wall. Journal of Naval Architecture and Marine Engineering, [S. l.], v. 9, n. 1, p. 35–42, 2012. DOI: 10.3329/jname.v9i1.9283. Disponível em: https://www.banglajol.info/index.php/JNAME/article/view/9283. Acesso em: 1 dec. 2021.