# Development of Learning Models Based on Problem Solving and Meaningful Learning Standards by Expert Validity for Animal Development Course

> Research article (IOP Conference Series Materials Science and Engineering, 2018) · cited 14× · AI/ML

**Wikidata**: [openalex:W2799972178](https://www.wikidata.org/wiki/openalex:W2799972178)  
**Source**: https://4ort.xyz/entity/development-of-learning-models-based-on-problem-solving-and-meaningful-learning-standards-by-expert-validity-for-animal-