All articles are permanently available online to the public without restrictions or subscription fees. All articles are free to be used, cited, and distributed, on condition that appropriate acknowledgment is included.  Authors are the copyright holders of their original contributions and grant the Canadian Online Publication Group (COPG) a license to publish the article and identify itself as the original publisher. The published article is simultaneously licensed under the Creative Commons Attribution 4.0 International License. “A CC license is used when an author wants to give people the right to share, use, and build upon a work that they have created” Wikipedia.
Creative Commons License
Additional information about Creative Commons Attribution License 4.0:

The Creative Commons Attribution License 4.0 provides the following summary:
You are free to:
Share — copy and redistribute the material in any medium or format.
Adapt — remix, transform, and build upon the material for any purpose, even commercially.
The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:
Attribution— you must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

No additional restrictions—you may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

The number of citations is one of the main measurements for author productivity and impact in each field. Therefore, authors are encouraged to post their research work online to make their publications available to a larger audience in order to increase the impact factor and citations levels. For more information please contact CPOG Editorial office.

Author can archive pre-print or original manuscript which has not been peer-reviewed by the journal. Archiving pre-print versions of the manuscript is not considered prior publication.
Author can archive post-print or accepted manuscript which has undergone peer-review process and accepted for publication.
Author can archive publishers’ final version of the article which has been peer-reviewed, revised accordingly, proofread, and formatted for publication.