CAN, N. H.; QUANG, V. D. Free convection flow in a vertical annulus with power law fluid. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 19, n. 4, p. 4–10, 1997. DOI: 10.15625/0866-7136/10062. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10062. Acesso em: 17 aug. 2022.