TVET Technology Development and Transfer Effort for Combating COVID-19 in Addis Ababa City, Ethiopia . Journal of Pharmaceutical Negative Results, [S. l.], p. 535–541, 2023. DOI: 10.47750/pnr.2023.14.03.068. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/8012.. Acesso em: 13 jun. 2026.