CHINSUWAN, A. Flow in Circular Tube with Helical Coils Inserted. Engineering and Applied Science Research, [S. l.], v. 27, n. 2, p. 1–6, 2013. Disponível em: https://ph01.tci-thaijo.org/index.php/easr/article/view/6654. Acesso em: 31 aug. 2026.