This issue contains articles from different countries Indonesia, South Africa, Cambodia, Nigeria, Vietnam, Iran, China, and Malaysia. The authors/co-authors are from various institutions such as Universitas Pembangunan Nasional Veteran Jakarta, Walter Sisulu University, Universitas Muhammadiyah Bangka Belitung, Institute of Technology of Cambodia, Universitas Sahid Surakarta, Gunadarma University, Dian Nusantara University, University of Ilorin, National Research Institute of Mechanical Engineering, Duy Tan University, Universitas Esa Unggul, Imam Khomeini International University, Sichuan Tourism University, Chengdu University of Information Technology, Dian Nuswantoro University, and Universiti Kuala Lumpur Malaysia.
