KALMÁR, Katalin; KÁRPÁTI, László. Efficiency evaluation of service marketing in a Hungarian Telecommunication Company. Applied Studies in Agribusiness and Commerce, [S. l.], v. 2, n. 1-2, p. 45–51, 2008. DOI: 10.19041/APSTRACT/2008/1-2/7. Disponível em: https://ojs.lib.unideb.hu/apstract/article/view/7221.. Acesso em: 8 may. 2024.