@article{lejpt16177,
 author={Joseph Ajienka, A. a. J. A.},
 year={2010},
 title={Use of Drag Reducer in Improving Water (Flooding) Injectivity in Ukpokiti Field, Niger Delta},
 journal={Leonardo Electron. J. Pract. Technol.},
 volume={9},
 number={16},
 pages={177-188},
 url={http://lejpt.academicdirect.org/A16/177_188.pdf}
}