Purwadi, P. 2022. Efek Lapisan Batas (Boundary Layer) pada Skin Friction Drag. Prosiding Seminar Nasional Sains Teknologi dan Inovasi Indonesia (SENASTINDO). 4, (Oct. 2022), 89–102. DOI:https://doi.org/10.54706/senastindo.v4.2022.173.