Mohammed Ali Mutar, Ghadeer Salih Hadi,. “Synthesis and Characterization of New Demulsifiers Based on Octylphenol-Formaldehyde Resins for Treating Water in Crude Oil Emulsions”. Design Engineering (October 9, 2021): 2905- 2929. Accessed April 26, 2024. http://thedesignengineering.com/index.php/DE/article/view/5215.