1. European Environmental Agency webpage. https://www.eea.europa.eu/publications/environmental-noise-in-europe. Last accessed 7 Apr 2023
2. AECOM, Strategic noise map of Niš agglomeration (in Serbian), Serbian Environmental Agency webpage. http://www.sepa.gov.rs/index.php?menu=307&id=230&akcija=showAll. Last accessed 19 Apr 2023
3. Directive 2002/49/EC of the European Parliament and the Council relating to the assessment and management of environmental noise. Official J. Euro. Commun. L 189, 45 (2002)
4. https://www.putevi-srbije.rs/index.php/sr/brojanje-saobraćaja
5. SRPS ISO 1996-1:2019, Acoustics. Description, Measurement and Assessment of Environmental Noise. Part 1: Basic Quantities and Assessment Procedures (2019). (in Serbian)