# Effectiveness of Existing Noise Barriers: Comparison between Vegetation, Concrete Hollow Block, and Panel Concrete

> Research article (Procedia Environmental Sciences, 2015) · cited 32× · AI/ML

**Wikidata**: [openalex:W2191188965](https://www.wikidata.org/wiki/openalex:W2191188965)  
**Source**: https://4ort.xyz/entity/effectiveness-of-existing-noise-barriers-comparison-between-vegetation-concrete-hollow-block-and-panel-concrete