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This issue has been available online since 30 September 2025 for the regular issue of September 2025. All articles in this issue (5 original research articles) were authored/co-authored by 26 authors affiliated with 12 institutions from 4 countries including:  

• Indonesia (Palcomtech Institute of Technology and Business, Universitas Muhammadiyah Semarang, Diponegoro University, Universitas Nusa Mandiri, Sekolah Tinggi Ilmu Kesehatan Columbia Asia, Universitas Haji Sumatera Utara); 
• Ghana (University of Ghana, Ghana Health Service, University of Cape Coast, Accra Training College); 
• Nigeria (Babcock University); and 
• South Korea (Inha University).

This issue has been available online since 31 March 2025 for the regular issue of March 2025. All articles in this issue (5 original research articles) were authored/co-authored by 24 authors affiliated with 14 institutions from 7 countries including: 

• Indonesia (Universitas Muhammadiyah Semarang, Institut Teknologi Statistika dan Bisnis Muhammadiyah Semarang, Universitas Sahid Surakarta, Universitas Muhammadiyah Bengkulu, Universitas Mathla’ul Anwar);
• Philippines (San Pedro College, Liceo de Cagayan University);
• Uzbekistan (Research Institute for the Development of Digital Technologies and Artificial Intelligence);
• United States (The Ohio State University, Columbia University Medical Center, Wayne State University);
• India (Graphic Era Deemed to be University);
• Greece (Aristotle University of Thessaloniki); and
• Brazil (Instituto Federal do Triângulo Mineiro).

This issue has been available online since 30 September 2024 for the regular issue of September 2024. All articles in this issue (5 original research articles) were authored/co-authored by 24 authors affiliated with 5 institutions from 2 countries including: 

• Indonesia (Universitas Muhammadiyah Semarang, STIKes Mitra Husada Karaganyar, Universitas Nurul Jadid, Universitas Sriwijaya); and
• Nigeria (First Technical University).

This issue has been available online since 30 March 2024 for the regular issue of March 2024. All articles in this issue (5 original research articles) were authored/co-authored by 19 authors affiliated with 8 institutions from 3 countries including: 

• Indonesia (Institut Teknologi Statistika dan Bisnis Muhammadiyah Semarang, Universitas Dian Nuswantoro Semarang, Universitas Muhammadiyah Semarang, Universitas Gadjah Mada, Universitas Multimedia Nusantara, Universitas Muhammadiyah Tangerang);
• Iraq (The Islamic University); and
• Iran (Islamic Azad University).

This issue has been available online since 30th September 2021 for the regular issue of September 2020. All articles in this issue (5 original research articles) were authored/co-authored by 12 authors from Indonesia.

This issue has been available online since 31th March 2021 for the regular issue of March 2020. All articles in this issue (5 original research articles) were authored/co-authored by 11 authors from Indonesia.

This issue has been available online since 30th September 2020  for the regular issue of September 2020. All articles in this issue (5 original research articles) were authored/co-authored by 12 authors from Indonesia.

This issue has been available online since 31th March 2020  for the regular issue of March 2020. All articles in this issue (5 original research articles) were authored/co-authored by 9 authors from Indonesia.