# Deriving classifier word order typology, or Greenberg’s Universal 20A and Universal 20

> Research article (Linguistics, 2017) · cited 21× · AI/ML

**Wikidata**: [openalex:W2601772015](https://www.wikidata.org/wiki/openalex:W2601772015)  
**Source**: https://4ort.xyz/entity/deriving-classifier-word-order-typology-or-greenbergs-universal-20a-and-universal-20