# A new approach in considering vagueness and lack of knowledge for selecting sustainable portfolio of production projects

> Research article (2015 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM), 2015) · cited 12× · AI/ML

**Wikidata**: [openalex:W2246581536](https://www.wikidata.org/wiki/openalex:W2246581536)  
**Source**: https://4ort.xyz/entity/a-new-approach-in-considering-vagueness-and-lack-of-knowledge-for-selecting-sustainable-portfolio-of-production-projects