Utilization of Developed and Transferred Technologies of TVET by the Society in Addis Ababa for Combating COVID-19 . Journal of Pharmaceutical Negative Results, [S. l.], p. 551–560, 2023. DOI: 10.47750/pnr.2023.14.03.070. Disponível em: https://mail.pnrjournal.com/index.php/home/article/view/8014.. Acesso em: 9 jun. 2026.