Oruç, Nazmi, Engin Ataman, and Halenur Kırkgöz. 2012. “<b>Eskişehir’de Hava Kirliliği Ve Doğal Gazın Tarihçesi: Genel Değerlendirme</B> / History of Air Pollution and Natural Gas Usage in Eskişehir: A General Review”. Journal of History Culture and Art Research 1 (4):161-70. https://doi.org/10.7596/taksad.v1i4.120.