Laminar fluid flow in concentric annular ducts of non-conventional cross-section applying GBI method. Research, Society and Development, [S. l.], v. 10, n. 1, p. e10710111547, 2021. DOI: 10.33448/rsd-v10i1.11547. Disponível em: https://www.rsdjournal.org/rsd/article/view/11547. Acesso em: 5 dec. 2025.