The Impact of Soft Practices in Total Quality Management on Improving Customer Service: The Mediating Role of Collaborative Supply Chains. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 59, n. 1, p. 200–207, 2026. DOI: 10.55562/jrucs.v59i1.16. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/791. Acesso em: 17 jul. 2026.