# The integration of semiotic resources and modalities in the teaching of geometry in a Grade 9 class in a South African high school: The four cases of congruency

> Research article (South African Journal of Education, 2020) · cited 11× · AI/ML

**Wikidata**: [openalex:W3034629009](https://www.wikidata.org/wiki/openalex:W3034629009)  
**Source**: https://4ort.xyz/entity/the-integration-of-semiotic-resources-and-modalities-in-the-teaching-of-geometry-in-a-grade-9-class-in-a-south-african-h