Luis Obregon Quinones, Jorge Duarte Forero, Guillermo Valencia Ochoa
      Research evolution on liquid-liquid extraction: a bibliometric study
      Contemporary Engineering Sciences, Vol. 11, 2018, no. 71, 3515-3522
      https://doi.org/10.12988/ces.2018.87355

Copyright © 2018 Luis Obregon Quinones, Jorge Duarte Forero and Guillermo Valencia Ochoa. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.