# Vowel system or vowel systems?

> Research article (Journal of Pidgin and Creole Languages, 2020) · cited 32× · AI/ML

**Wikidata**: [openalex:W3090245510](https://www.wikidata.org/wiki/openalex:W3090245510)  
**Source**: https://4ort.xyz/entity/vowel-system-or-vowel-systems