# RBL-STEM learning activity framework: Improving students combinatorial thinking skills for solving image encryption problem using edge irregular reflexive k-labeling

> Research article (AIP conference proceedings, 2024) · cited 17× · AI/ML

**Wikidata**: [openalex:W4404957897](https://www.wikidata.org/wiki/openalex:W4404957897)  
**Source**: https://4ort.xyz/entity/rbl-stem-learning-activity-framework-improving-students-combinatorial-thinking-skills-for-solving-image-encryption-probl