Peer review declaration

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: Single-blind/Double-blind/Triple-blind/Open/Other (please describe) • Conference submission management system: www.icmseunnes.com • Number of submissions received: 513 • Number of submissions sent for review: 393 • Number of submissions accepted: 327 • Acceptance Rate (Number of Submissions Accepted/Number of Submissions Received X 100): 327/513 × 100 = 63.74 • Average number of reviews per paper: 3-4 reviews per paper • Total number of reviewers involved: 43 • Any additional info on review process: The review process of abstract was done before conference day to inform to the authors to present their works in the conference and submit their full manuscript. Having been full manuscripts submitted, they were reviewed by our reviewers. The review process of full manuscript has been done for six months, since October 10, 2020 until March 31, 2021. The manuscript must comply these requirements to be proceeded to publication stage, 1) The topic of manuscript should be relevant to conference scopes, 2) The manuscript must be written in appropriate English, 3) The manuscript must be written using IOP template, 4) The manuscript should cite totally at least 15 references with at least 80% are international journal articles. It is suggested the references are published at the last sevent years, 5) Citation style is numbering with the first cited the first appears, 6) The section sequence generally is: Introduction, Methods, Result and Discussion, Conclusion, Acknowledgement (optional), References. There is no section number for the two last sections, 7) The references must be cited predominantly in Introduction dan Results and Discussion sections. There is no citation in Abstract nor in Conclusion. • Contact person for queries: Dr. Masturi (email: tourfis@gmail.com)