Editor in Chief

M. Ridha Fauzi, ST., MT
Automotive Engineering Department, Muhammadiyah Riau University, Indonesia

Editors

Budi Istana, SST., M.Eng
Material, Mechanical Engineering Department,
Muhammadiyah Riau University, Indonesia

Denny Astrie Anggraini, ST., MT
Quality Management, Industrial Engineering Department,
Muhammadiyah Riau University, Indonesia