# Evaluating internal and external knowledge sources in firm innovation and productivity: an industry perspective

> Research article (R and D Management, 2022) · cited 70× · AI/ML

**Wikidata**: [openalex:W4295850128](https://www.wikidata.org/wiki/openalex:W4295850128)  
**Source**: https://4ort.xyz/entity/evaluating-internal-and-external-knowledge-sources-in-firm-innovation-and-productivity-an-industry-perspective