This issue has been available online since 6 May 2023 for specific issue. All articles in this issue (9 original research articles) were authored/co-authored by 27 authors from from 6 institutions from 2 countries (Indonesia and South Africa), i.e., Institut Teknologi Bandung (Indonesia), Universitas Pembangunan Nasional Veteran Jakarta (Indonesia), Universitas Sebelas Maret (Indonesia), University of Muhammadiyah Jakarta (Indonesia), Universitas Mercu Buana (Indonesia), University of Limpopo (South Africa).