# Indoor noise A-level assessment related to the environmental noise spectrum on the building facade

> Research article (Applied Acoustics, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3200023792](https://www.wikidata.org/wiki/openalex:W3200023792)  
**Source**: https://4ort.xyz/entity/indoor-noise-a-level-assessment-related-to-the-environmental-noise-spectrum-on-the-building-facade