Gunawan, Allessandro Setyo Anggito Utomo, and Yanuar. 2022. “Comparison of Drag Reduction Effect on Barge Model Ship Using Ultrafine Bubble and Microbubble Injection”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 96 (2):134-43. https://doi.org/10.37934/arfmts.96.2.134143.