The ethical policy of Beyhagh journal is based on the Committee on Publication Ethics (COPE) guidelines. Readers, authors, reviewers and editors should follow these ethical policies once working with Beyhagh journal. The publishing decision is based on the suggestion of the journal's reviewers and editorial board members. The reviewers are necessary to evaluate the research papers based on the submitted content in confidential manner.  The reviewers suggest the authors to improve the quality of research paper by their reviewing comments.  Authors should ensure that their submitted research work is original and has not been published elsewhere in any language. Any kind of plagiarism constitutes unethical publishing behavior and is unacceptable.  For more information on publishing and ethical guidelines please visit http://publicationethics.org.