Geens, Andrew, David Snelson, Hasan Al-Madfai, and David Hillier. “Impacts of Ventilation: Studies on ‘before and after’ a Smoking Ban Is Implemented”. Journal of Environmental Engineering and Landscape Management 19, no. 4 (December 21, 2011): 335-342. Accessed December 23, 2024. https://jau.vgtu.lt/index.php/JEELM/article/view/5365.