TVET Technology Development And Transfer Effort For Combating COVID-19 In Addis Ababa City, Ethiopia. Journal of Pharmaceutical Negative Results, [S. l.], p. 2482–2490, 2023. DOI: 10.47750/pnr.2023.14.S02.292. Disponível em: https://pnrjournal.com/index.php/home/article/view/8423.. Acesso em: 1 jul. 2026.