# Selection of In-Flight Duty-Free Product Suppliers Using a Combination Fuzzy AHP, Fuzzy ARAS, and MSGP Methods

> Research article (Mathematical Problems in Engineering, 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3139491254](https://www.wikidata.org/wiki/openalex:W3139491254)  
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