KARAHAN, F. Et Al. 2011. The Geopark Potential of Tortum Valley (Erzurum–Turkey) and its Surroundings. Natural Environment and Culture in the Mediterranean Region II (Editor: Recep Efe, Munir Ozturk and Ibrahim Atalay) . Natural Environment And Culture İn The Mediterranean Region Iı, İzmir.

KARAHAN, F., ORHAN, T., KOPAR, İ., & ÇAKIR, E., (2011). The Geopark Potential of Tortum Valley (Erzurum–Turkey) and its Surroundings. Natural Environment and Culture in the Mediterranean Region II (Editor: Recep Efe, Munir Ozturk and Ibrahim Atalay) . İzmir: Natural Environment And Culture İn The Mediterranean Region Iı.

KARAHAN, Faris Et Al. The Geopark Potential of Tortum Valley (Erzurum–Turkey) and its Surroundings. Natural Environment and Culture in the Mediterranean Region II (Editor: Recep Efe, Munir Ozturk and Ibrahim Atalay) . İzmir: Natural Environment And Culture İn The Mediterranean Region Iı, 2011

KARAHAN, Faris Et Al. The Geopark Potential of Tortum Valley (Erzurum–Turkey) and its Surroundings. Natural Environment and Culture in the Mediterranean Region II (Editor: Recep Efe, Munir Ozturk and Ibrahim Atalay) . Natural Environment And Culture İn The Mediterranean Region Iı, 2011.

KARAHAN, F. Et Al. (2011) The Geopark Potential of Tortum Valley (Erzurum–Turkey) and its Surroundings. Natural Environment and Culture in the Mediterranean Region II (Editor: Recep Efe, Munir Ozturk and Ibrahim Atalay) . 1st edn. İzmir: Natural Environment And Culture İn The Mediterranean Region Iı.

@book{book, author={Faris KARAHAN Et Al. }, title={The Geopark Potential of Tortum Valley (Erzurum–Turkey) and its Surroundings. Natural Environment and Culture in the Mediterranean Region II (Editor: Recep Efe, Munir Ozturk and Ibrahim Atalay)}, publisher={Natural Environment And Culture İn The Mediterranean Region Iı}, year={2011} }