TELEJKO, Marek; ZENDER-ŚWIERCZ, Ewa. An attempt to improve air quality in primary schools. International Conference “Environmental Engineering”, [S. l.], v. 10, p. 1–6, 2017. DOI: 10.3846/enviro.2017.051. Disponível em: https://conferences.vilniustech.lt/index.php/ENVIRO/article/view/1020. Acesso em: 24 may. 2026.