GEBRESLASSIE, A. M. Assessment of the Challenges of Value Chain Process in the Case of Ethiopia,Tigray Manufacturing Sector. ISPEC International Journal of Social Sciences & Humanities, [S. l.], v. 4, n. 5, p. 476–492, 2020. DOI: 10.46291/ISPECIJSSHvol4iss5pp476-492. Disponível em: https://ispecjournal.org/index.php/ispecijssh/article/view/108. Acesso em: 20 apr. 2024.