# Classifying the degree of exposure of customers to COVID-19 in the restaurant industry: A novel intuitionistic fuzzy set extension of the TOPSIS-Sort

> Research article (Applied Soft Computing, 2021) · cited 54× · AI/ML

**Wikidata**: [openalex:W3200271677](https://www.wikidata.org/wiki/openalex:W3200271677)  
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