Peer review declaration

Abstract

All papers published in this volume of Journal of Physics: Conference Series have been peer reviewed through processes administered by the Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing.• Type of peer review: The IAMSTEM 2019 peer review is single-blind review. The participants prepared manuscripts regarding on Journal of physics conference series and then submitted to IAMSTEM 2019 via https://easychair.org/. In the easychair website, the conference chair has provided the pool of reviewers which could be assigned the papers for reviewing. The provided manuscripts on IAMSTEM2019 easychair website have showed the name and affiliations of authors.When a manuscript is submitted to IAMSTEM2019 easychair website, it is assessed to see if it meets the criteria for submission. If it does, the editorial team will select potential peer reviewers within the field of research to peer-review the manuscript and make recommendations. In the review process, the reviewers know the names of the authors, but the authors do not know who reviewed their manuscript unless the reviewer chooses to sign their report. A manuscript will be reviewed by two or three reviewers. Each reviewer will be assigned to review the 7 – 9 manuscripts. The reviewers’ reflection or comment will be sent via IAMSTEM2019 easychair website for IAMSTEM2019 editors to decide which papers should be sent to publish in Journal of physics conference series.• Conference submission management system: https://easychair.org/ • Number of submissions received: 200 papers • Number of submissions sent for review: 190 papers • Number of submissions accepted: 140 papers • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100):Acceptance rate is 70 percentages.• Average number of reviews per paper: two • Total number of reviewers involved: 45 • Any additional info on review process:• Contact person for queries (please include: name, affiliation, institutional email address) Chokchai YuenyongKhon Kaen University, ThailandEmail: ychok@kku.ac.th