Mohammad H. Almomani, Faisal Ababneh
      The expected opportunity cost and selecting the optimal subset
      Applied Mathematical Sciences, Vol. 9, 2015, no. 131, 6507-6519
      http://dx.doi.org/10.12988/ams.2015.58561

Copyright © 2015 Mohammad H. Almomani and Faisal Ababneh. 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.