All materials are free to be copied and redistributed in any medium or format. However, appropriate credit should be given. The material may not be used for commercial purposes. This content licensing is in accordance with a CC license: https://creativecommons.org/licenses/by-nc-sa/4.0/  CC-BY-NC-SA.

As an author of an article published in CBS Int. Journal, you retain the copyright of your article and you are free to reproduce and disseminate your work