Yashkun, U. ., F. . Kamal, K. . Zaimi, N. A. . Abu Bakar, and N. A. . Saidin. “Stability Analysis on Stagnation-Point Flow and Heat Transfer towards a Permeable Stretching/Shrinking Sheet With Heat Source in a Casson Fluid”. CFD Letters, vol. 12, no. 6, Jan. 2021, pp. 1-15, https://www.akademiabaru.com/submit/index.php/cfdl/article/view/3251.