Digital Data Preservation

All articles of Green Publishers are licensed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) (, which allows free distribution and reproduction for any non-commercial purpose provided that the work is properly cited. Because authors retain the copyright to their articles; they are at liberty to SELF-ARCHIVE their accepted and published manuscripts on their personal websites, institutional depositories like PMC, cross-institutional subject repository, or any governmental repository. However, it must be accompanied by an acknowledgement to the original source of publication, and by a link leading to the published article on the journal's/publisher's website. To secure permanent access to all of our publications, Green Publishers has approached LOCKSS through the PKP Preservation Network. to have long-term storage of the content published in its journals through the PKP Preservation Network. .