The Impact of Customer Contact Type According to CCM Model on the Operational Efficiency of the System Providing the Service. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 39, n. 1, p. 150–177, 2021. DOI: 10.55562/jrucs.v39i1.210. Disponível em: https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/210.. Acesso em: 19 nov. 2024.