“Excess Molar Volumes and Viscosities of Mixtures Containing Dimethylformamide (DMF) With Benzene, O-Xylene, 1, 4- Dioxane and Tetrahydrofuran at 298.15 K”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 23, no. 2, May 2017, pp. 98-107, https://jih.uobaghdad.edu.iq/index.php/j/article/view/949.