# Training programs’ return on investment in the Portuguese railway company: a fuzzy‐set Qualitative Comparative Analysis

> Research article (International Journal of Training and Development, 2018) · cited 13× · AI/ML

**Wikidata**: [openalex:W2897373686](https://www.wikidata.org/wiki/openalex:W2897373686)  
**Source**: https://4ort.xyz/entity/training-programs-return-on-investment-in-the-portuguese-railway-company-a-fuzzyset-qualitative-comparative-analysis