Singular fractional technique for free convective Casson hybrid nanofluid with optically thick medium and shape effects. Indian Journal of Chemical Technology (IJCT), [S. l.], v. 30, n. 4, p. 506–523, 2023. DOI: 10.56042/ijct.v30i4.71682. Disponível em: https://or.niscpr.res.in/index.php/IJCT/article/view/3954. Acesso em: 15 may. 2026.