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In the reviewing process, there are at least two reviewers for each manuscript in the related topic. In case of three reviewers, decision will be made from at least two reviewers. Three weeks will be needed for reviewer to complete one round reviewing process. Generally, the candidate of reviewers will be chosen based on their reputation in the international publication number and quality. Next step, The Editor send the invitation letter for each candidate of reviewer. After the candidate of reviewer informed their availabilities for reviewing process, Editor create account for each reviewer and then send manuscript by OJS.All reviewing process are in double blind peer review.