Vahid*©Amir, and Masoud Sohrab Sohrab. “Combination of Reduction With Metallic Sodium and Adsorption With Mesoporous Materials for Re-Refining of Used Insulating Oil via Experimental Design”. Analytical Methods in Environmental Chemistry Journal 3, no. 01 (March 29, 2020): 27-40. Accessed October 23, 2020. http://journal.amecj.com/index.php/AMECJ-01/article/view/74.