Sharma, R., & Vora, D. (2010). Densities and Excess Volumes of Binary Liquid Mixtures of PEG 200, PEG 400 and PEG 600 with Toluene at Three Temperature. Asian Journal of Chemistry, 12(1), 281–285. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/22920