For any inquries, please contact:

Ridwan, Ph.D
Civil Engineering Department
Riau University
orcid.org/0000-0002-4582-0251

Mobile : +62 812-7711-2952
Email : ridwan@eng.unri.ac.id

Assoc. Prof. Dr. Dewa Made Priyantha Wedagama
Civil Engineering Department
Udayana University

Mobile : +62 813-3754-0638
Email : priyantha.wedagama@gmail.com