Licence & Open Access

License CC BY 4.0        

Authors retain the copyright to their work, licensing it under the Creative Commons Attribution License Attribution 4.0 International licence (CC BY 4.0) which allows articles to be re-used and re-distributed without restriction, as long as the original work is correctly cited. The author retains unlimited copyright and publishing rights.

Open Acces 

This is an open acces the journal which means that all content is freely avialble whitout charge  to the user or his/her institution. User is allowed to read, download, copy, distribute, print, search or link the full texts of the articles in this journal without asking for prior permission from the publisher or the author.