1. Universitas Gadjah Mada,Vocational College,Department of Mechanical Engineering,Yogyakarta,Indonesia
2. Islamic University of Madinah,Faculty of Engineering,Mechanical Engineering Department,Medina,Saudi Arabia
3. Universiti Teknologi Malaysia,Center for Artificial Intelligence and Robotics (CAIRO), Malaysia-Japan International Institute of Technology (MJIIT),Kuala Lumpur,Malaysia
4. Universiti Teknologi Malaysia,Malaysia-Japan International Institute of Technology,Kuala Lumpur,Malaysia