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 • Conference submission management system: Conference Management Toolkit (CMT) • Number of submissions received: 23 • Number of submissions sent for review: 23 • Number of submissions accepted: 21 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 91.3% • Average number of reviews per paper: 2 • Total number of reviewers involved: 15 • Any additional info on review process: - • Contact person for queries: Name : Dr. Mohd Hafiz Bin Jali Affiliation: Unversiti Teknikal Malaysia Melaka Email : mohd.hafiz@utem.edu.my