Onojake, M. Chukunedum, and T. Angela Waka. “Review of Oilfield Chemicals Used in Oil and Gas Industry”. Asian Journal of Physical and Chemical Sciences 9, no. 2 (April 29, 2021): 8-24. Accessed September 21, 2021. https://journalajopacs.com/index.php/AJOPACS/article/view/30132.