Vol 23, No 3 (2018)

Cover Page
The cover of this issue is inspired in a graph where the nodes represent the different topics treated by the manuscripts inside this edition. Meanwhile, the edges represent the link between different kind of systems studied in engineering. Likewise, the central node represents the way how human beings gather individual efforts for the development and welfare of society.  In particular, optimization methods have been recently used for improving the decision-making process related to the use of limited resources.