This issue has been available online since 30th April 2021 for the regular issue of Vol 7 No 1 (2021). All article in this issue authored/co-authored by 21 author with numerous affiliations (Saint Thomas Catholic University, Adam Malik Hospital, Universitas Jenderal Achmad Yani, Universitas Amikom Yogyakarta, Universitas Nasional, Universitas Widya Gama, President University, Politeknik Negeri Malang, Universitas Madura)

Published: 2021-04-30