Peer review process starts, after the author submits their work. Manuscript is checked for obvious errors by the publisher's editor who will send it to a panel of peer reviewers. Reviewers are experts in their discipline. The reviewers provide comment on the appropriateness of the work for publication and may suggest corrections to the manuscript. The work is then returned to the author by the editor. The author make the recommended alterations and resubmit it. The editor will then return it to the panel of reviewers. Finally, when the reviewers and the author agree on the final version, the work will be sent for publication by the editor.