North Atlantic University Union (NAUN) Posted on March 27, 2012 by Men Yali Copyright Holders: North Atlantic University Union (NAUN) Self-archiving policy Conditions Accepted version: ? Open Access Journal Published version: √ Open Access Journal Remarks: By submitting a paper the author understands that its copyright is transferred to NAUN. All NAUN journals are freely accessible to the public in their electronic form. (verified by Bo Siang via email) Verification Date: 23.03.2012 23.07.2013 09.10.2013
