All papers published in this volume have been 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.1. Type of peer review: Double anonymous2. Conference submission management system: Morressier3. Number of submissions received: 254. Number of submissions sent for review: 245. Number of submissions accepted: 166. Acceptance Rate (Submissions Accepted / Submissions Received × 100): 64 %7. Average number of reviews per paper: 28. Total number of reviewers involved: 109. Contact person for queries:Name: Feny ElsianaAffiliation: Petra Christian UniversityEmail: feny.elsiana@petra.ac.id