Shanshool, J. . and Al-Qamaje, H.M.T. (2008) “Effect of Molecular Weight on Turbulent Drag Reduction with Polyisobutylene”, Nahrain University College of Engineering Journal, 11(1), pp. 52–59. Available at: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/496 (Accessed: 23 December 2024).