Background Quality of health services is one of the most important factors for delivery of these services. Regarding the importance and vital role of quality in the health sector, a concept known as “Clinical Governance” (CG) has been introduced into the health area which aims to enhance...

Supplier selection process has gained importance recently, since the cost of raw materials and component parts constitutes the main cost of a product and most of the firms have to spend considerable amount of their revenues on purchasing. Although many methods have been proposed and used for...