Gülen, Seyfettin C.
Funding for this research was provided by:
None.
Content type: Original article
Peer review
Peer Reviewed: yes
Review Process: Single blind
Publication history
Accepted: 13 January 2017
Published: 08 December 2017
Copyright and licensing
Copyright: © 2017 Gülen
License: This is an open access article distributed under the Creative Commons Attribution License (CC‑BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited and its authors credited.