Jaffar Syed Mohamed Ali, Mohd Farid Amran, and Nurul Aziz Mohamad, “Experimental Study on the Effect of Boundary Layer Control on the Aerodynamics Characteristics of NACA 0021 Aerofoil”, J. Adv. Res. Fluid Mech. Therm. Sc., vol. 94, no. 1, pp. 129–137, Apr. 2022.