Tri Cahyo Wahyudi
Department of Mechanical Engineering, University of Muhammadiyah Metro, Jl. Ki Hajar Dwantara 38 Banjarrejo, East Lampung.
Indonesia

Tarkono Tarkono
Department of Mechanical Engineering, Faculty of Engineering, University of Lampung, Building H – 2nd Floor, Jl. Prof. Soemantri Brojonegoro No. 1 Bandar Lampung 35143

Irza Sukmana
Department of Mechanical Engineering, Faculty of Engineering, University of Lampung, Building H – 2nd Floor, Jl. Prof. Soemantri Brojonegoro No. 1 Bandar Lampung 35143
Indonesia

Fauzi Ibrahim
Department of Mechanical Engineering, Universitas Malahayati
Indonesia

Yanuar Burhanuddin
Department of Mechanical Engineering, Faculty of Engineering, University of Lampung, Building H – 2nd Floor, Jl. Prof. Soemantri Brojonegoro No. 1 Bandar Lampung 35143
Indonesia

Fethma M Nor
Universiti Teknologi Brunei: Gadong, Brunei-Muara, BN
Brunei Darussalam