# Implementation of an Andragogical Teacher Professional Development Training Program for Boosting TPACK in STEM Education: The Essential Role of a Personalized Learning System

> Research article (DOAJ (DOAJ: Directory of Open Access Journals), 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W4385388839](https://www.wikidata.org/wiki/openalex:W4385388839)  
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