“…To define the criteria set, the list of the most frequently used criteria detected by [15] was submitted to the top management of a spare parts dealer. According to the dealer's requirements and the nature of its business, the following criteria were selected: costs (C 1 ), warehouse services (C 2 ), added value services (C 3 ), accurate time, quality and quantity (C 4 ), flexibility (C 5 ), responsiveness (C 6 ), frequency of delivery (C 7 ), staff quality (C 8 ), information exchange capability (C 9 ).…”