S. H. . Mat Yasin, Muhammad Khairul Anuar Mohamed, Zulkhibri Ismail, Basuki Widodo, and Mohd Zuki Salleh, “Numerical Investigation of Ferrofluid Flow at Lower Stagnation Point over a Solid Sphere using Keller-Box Method”, J. Adv. Res. Fluid Mech. Therm. Sc., vol. 94, no. 2, pp. 200–214, Apr. 2022.