This issue consists of 6 articles from 28 authors affiliated with 9 institutions from 3 countries including:

• Indonesia (President University, BRIN, Sampoerna University, Institut Teknologi Nasional (ITENAS)
• Malaysia (University of Technology Sarawak)
• Nigeria (Ahmadu Bello University Zaria, Federal Polytechnic Nasarawa State)

This issue consists of 6 articles from 17 authors affiliated with 9 institutions from 7 countries including:

• Albania (Epoka University)
• Bangladesh (Military Institute of Science and Technology)
• China (Shenzhen JL Computational Science and Applied Research Institute)
• Cuba (University of Holguin, Electrical Company of Holguin)
• Indonesia (President University, BRIN)
• Nigeria (Ahmadu Bello University Zaria)
• Portugal (Group Three60)

This issue consists of 6 articles from 24 authors affiliated with 13 institutions from 4 countries including:

• Indonesia (Indonesia University, Sampoerna University, University of Pancasila, Institut Teknologi Nasional Yogyakarta, Institut Sains & Teknologi AKPRIND Yogyakarta, Trisakti University, Bung Karno University)
• Malaysia (University of Technology Sarawak,  Universiti Teknologi Malaysia, Universiti Teknikal Malaysia Melaka (UTeM))
• Nigeria (Ahmadu Bello University Zaria, Federal Poly)
• Oman (University of Buraimi) 

This issue consists of 6 articles from 24 authors affiliated with 10 institutions from 5 countries including:

• Indonesia (President University, Sampoerna University, Bung Karno University, The State of Polytechnic of Ujung Padang, Universitas Pamulang, Universitas Indraprasta PGRI)
• Ghana (Kwame Nkrumah University of Science and Technology)
• Malaysia (Universiti Teknikal Malaysia Melaka (UTeM))
• Nigeria (Ahmadu Bello University Zaria)
• Poland (Institute of Fundamental Technological Research)

This issue consists of 6 articles from 23 authors affiliated with 10 institutions from 3 countries including:

• Indonesia (Universitas Gadjah Mada, PT. Delameta Bilano, Sampoerna University, Universitas Pendidikan Indonesia, Universitas Pembangunan Nasional Veteran Jakarta)
• Japan (Tokyo Institute of Technology, Tokyo University of Agriculture)
• Malaysia (University of Technology Sarawak,  Universiti Teknologi Malaysia, Universiti Malaysia Pahang)

This issue consists of 6 articles from 24 authors affiliated with 13 institutions from 4 countries including:

• Indonesia (Institut Teknologi Bandung, Sampoerna University, Universitas Kanjuruhan Malang, Universitas Pendidikan Indonesia)
• Japan (The University of Tokyo)
• Malaysia (INTI International University, University College of Technology Sarawak)
• Nigeria (University of Technology Akure)
• Qatar (Community College of Qatar) 

This issue consists of 6 articles from 19 authors affiliated with 4 institutions from 4 countries including:

• China (Sichuan University)
• Indonesia (Sampoerna University)
• Japan (Tokyo University of Agriculture)
• Malaysia (Universiti Malaysia Pahang) 

This issue consists of 6 articles from 19 authors affiliated with 6 institutions from 6 countries including:

• Albania (The University of Vlorë “Ismail Qemali”)
• Canada (McGill University)
• Indonesia (Sampoerna University)
• Bangladesh (Rajshahi University of Engineering & Technology)
• Japan (Waseda University)
• Malaysia (Universiti Malaysia Pahang) 

This issue consists of 6 articles from 14 authors affiliated with 7 institutions from 4 countries including:

• Indonesia (Sampoerna University, Institut Teknologi Bandung)
• Japan (Tokyo Institute of Technology)
• Lebanon (Lebanese International University)
• Malaysia (Lincoln University College, Universiti Malaysia Pahang)

This issue consists of 6 articles from 14 authors affiliated with 11 institutions from 4 countries including:

• Indonesia (Institut Teknologi Bandung, Sampoerna University,  Janabadra University, Universitas Pendidikan Indonesia)
• Bangladesh (Rajshahi University of Engineering & Technology)
• Japan (Nagoya University, Tokyo Institute of Technology)
• Nigeria (Centre for Entrepreneurial Development, Federal University)
• Oman (University of Buraimi) 
• Yemen (International University of Technology)