Chatterjee, Archita, et al. “Characterization and Treatment of Straight or Branched Paraffinic Synthetic Oil by Composite Solvent Method”. International Journal of Research in Engineering, Science and Management, vol. 3, no. 8, Aug. 2020, pp. 125-9, https://journal.ijresm.com/index.php/ijresm/article/view/144.