# A Dual-Stage Vocabulary of Features (VoF)-Based Technique for COVID-19 Variants’ Classification

> Research article (Applied Sciences, 2021) · cited 10× · AI/ML

**Wikidata**: [openalex:W4200164838](https://www.wikidata.org/wiki/openalex:W4200164838)  
**Source**: https://4ort.xyz/entity/a-dual-stage-vocabulary-of-features-vof-based-technique-for-covid-19-variants-classification