Pengaruh aditif biopolimer carboxymethyl cellulose (CMC) terhadap karakteristik drag reduction pada aliran air dalam pipa bulat dengan variasi diameter = The effect of additive biopolimer carboxymethyl cellulose (CMC) to characteristics of drag reduction in to the flow of water in circular pipe with variation of diameter / Vaul Brian Hutauruk - Hutauruk, Vaul Brian, author ([Fakultas Teknik Universitas Indonesia, ], 2014)