# Advances on concrete strength properties after adding polypropylene fibers from health personal protective equipment (PPE) of COVID-19: Implication on waste management and sustainable environment

> Research article (Physics and Chemistry of the Earth Parts A/B/C, 2022) · cited 23× · AI/ML

**Wikidata**: [openalex:W4304182509](https://www.wikidata.org/wiki/openalex:W4304182509)  
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