“Densities, Refractive Indices and Excess Molar Volumes for the Binary Mixtures of 1-Propyronitrile-3-Hexylimidazolium Bromide [C2CN Him Br] With Monoethanolamine (MEA) at T = 293.15 to 313.15 K”. Journal of the Pakistan Institute of Chemical Engineers, vol. 42, no. 2, July 2014, pp. 7-13, https://www.piche.org.pk/journal/index.php/jpiche/article/view/150.