MULUGETA CHANE WUBE(MBA). The role of institutional collaborations in combating covid-19 in dessie, south wollo and oromia special zones of eastern amhara, Ethiopia. International Journal on Integrated Education, [S. l.], v. 3, n. 9, p. 11–27, 2020. DOI: 10.31149/ijie.v3i9.579. Disponível em: https://journals.researchparks.org/index.php/IJIE/article/view/579. Acesso em: 7 nov. 2026.