Densities, ultrasonic speeds and refractive indices of phenetole with N-methyl-2-pyrrolidone, N,N-dimethylformamide and tetrahydrofuran binary mixtures at different temperatures Alkhaldi, K.H.; Al-Jimaz, A.S.; AlTuwaim, M.S.; The Journal of Chemical Thermodynamics 2016, 103, 249-256