GHALUMYAN, Armen. Institutional stakeholder perceptions on mobile number portability implementations in Georgia and Belarus. Open Science Journal, [S. l.], v. 3, n. 4, 2018. DOI: 10.23954/osj.v3i4.1705. Disponível em: https://osjournal.org/ojs/index.php/OSJ/article/view/1705. Acesso em: 18 sep. 2025.