# A link between students’ discernment of variation in unidirectional change and their use of quantitative variational reasoning

> Research article (Educational Studies in Mathematics, 2018) · cited 22× · AI/ML

**Wikidata**: [openalex:W2782170246](https://www.wikidata.org/wiki/openalex:W2782170246)  
**Source**: https://4ort.xyz/entity/a-link-between-students-discernment-of-variation-in-unidirectional-change-and-their-use-of-quantitative-variational-reas