TEKLETSADIK, Seife Ebeyedengel; GETAHUN, Solomon Mengistu. An Application of Fuzzy TOPSIS Methodology for Garage Service Providers Selection Based on Gummesson 4Q Service Quality Management Model. Optimality, [S. l.], 2026. DOI: 10.22105/opt.vi.53. Disponível em: https://www.opt.reapress.com/journal/article/view/53.. Acesso em: 18 apr. 2026.