# Classification of the existing knowledge base of OR/MS research and practice (1990–2019) using a proposed classification scheme

> Research article (Computers & Operations Research, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3006060662](https://www.wikidata.org/wiki/openalex:W3006060662)  
**Source**: https://4ort.xyz/entity/classification-of-the-existing-knowledge-base-of-or-ms-research-and-practice-19902019-using-a-proposed-classification-sc