Gumus, E. (2014). Geoparks: Multidisciplinary tools for the protection and management of geoheritage in Turkey : Kula volcanic area (Manisa) and Camlidere fossil forest (Ankara) as case studies : doctorate thesis.
Παραπομπή σε μορφή Chicago (17η εκδ.)Gumus, Erdal. Geoparks: Multidisciplinary Tools for the Protection and Management of Geoheritage in Turkey : Kula Volcanic Area (Manisa) and Camlidere Fossil Forest (Ankara) as Case Studies : Doctorate Thesis. 2014.
Παραπομπή σε μορφή MLA (9th εκδ.)Gumus, Erdal. Geoparks: Multidisciplinary Tools for the Protection and Management of Geoheritage in Turkey : Kula Volcanic Area (Manisa) and Camlidere Fossil Forest (Ankara) as Case Studies : Doctorate Thesis. 2014.
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