Exact solutions of time fractional free convection flows of viscous fluid over an isothermal vertical plate with caputo and caputo-fabrizio derivatives. JPRM [Internet]. 2017 Dec. 31 [cited 2025 Dec. 7];13(1):56 – 74. Available from: https://jprm.sms.edu.pk/index.php/jprm/article/view/132