Effects of Heat Sink and Heat Absorption on Casson Fluid Flow in a Vertical Channel. International Journal of Development Mathematics (IJDM), [S. l.], v. 3, n. 2, p. 043–055, 2026. DOI: 10.62054/ijdm/0302.03. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/331.. Acesso em: 12 jun. 2026.