MARIO, G. Quality of Service in Mobile Telecommunications in Albania – Application of Marketing Strategies. International Journal of Management Excellence (ISSN: 2292-1648), [S. l.], v. 13, n. 3, p. 2005–2018, 2019. DOI: 10.17722/ijme.v13i3.1119. Disponível em: https://techmindresearch.org/index.php/ijme/article/view/1119. Acesso em: 18 jun. 2024.