Peer Review Declaration

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. ▪ Type of peer review: Double Anonymous ▪ Conference submission management system: Morressier ▪ Number of submissions received: 85 ▪ Number of submissions sent for review: 78 ▪ Number of submissions accepted: 64 ▪ Acceptance Rate (Submissions Accepted / Submissions Received × 100): 75.29 ▪ Average number of reviews per paper: 1.11 ▪ Total number of reviewers involved: 70 Contact person for queries: Name: Veny Luvita Affiliation: Research Center for Environmental and Clean Technology, National Research and Innovation Agency (BRIN), Republic of Indonesia Email: greenvc@brin.go.id