# Mathematics Learning Device Development Based On Constructivism Approach To Improve Mathematical Reasoning Skill Of Class X Students In Vocational High School (SMK)

> Research article (International journal of scientific and technology research, 2019) · cited 16× · AI/ML

**Wikidata**: [openalex:W2972890830](https://www.wikidata.org/wiki/openalex:W2972890830)  
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