Makinde OD, Eegunjobi AS. Inherent Irreversibility of Mixed Convection within Concentric Pipes in a Porous Medium with Thermal Radiation. J. Math. Fund. Sci. [Internet]. 2021Dec.14 [cited 2025Oct.25];53(3):395-414. Available from: https://journals.itb.ac.id/index.php/jmfs/article/view/15743