“The Impact of Soft Practices in Total Quality Management on Improving Customer Service: The Mediating Role of Collaborative Supply Chains” (2026) Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), 59(1), pp. 200–207. doi:10.55562/jrucs.v59i1.16.