Norul Hidayah Kadir, Adi Maimun Abdul Malik, Arifah Ali. Experimental of Ballast Free System with Air-Injected Pressure Bubbles in Reducing Ship Resistance. J. Adv. Res. Fluid Mech. Therm. Sc. [Internet]. 2022 Jan. 8 [cited 2024 May 8];90(2):160-75. Available from: https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/256