. 2017 Jan 10;2017:1452415. doi: 10.1155/2017/1452415
Copyright © 2017 T. J. Carney and C. M. Shea.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 3.
Problem/issue complexity factors.