Effect of Power Law Temperature Variation on a Vertical Conical Annular Porous Medium. Global Journal of Science Frontier Research, [S. l.], v. 13, n. 49, p. 25–37, 2013. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/103285. Acesso em: 25 oct. 2026.