. 2018 Oct 16;7:218. Originally published 2018 Sep 20. [Version 2] doi: 10.15694/mep.2018.0000218.2
Copyright: © 2018 Oussi N et al.
This is an open access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1. The course expenditures in USD.
