This issue has been available online since 07 June 2024 the regular issue of January - June 2024. All articles in this issue (8 original research articles) were authored/co-authored by 25 authors from from 5 institutions from 2 countries (Indonesia and South Africa), i.e., Institut Teknologi Bandung (Indonesia), Telkom University (Indonesia), Universitas Padjadjaran (Indonesia), University of Mpumalanga (South Africa), and Politeknik Negeri Semarang (Indonesia).