SEZEN, I. Et Al. Assessment of Visual Quality in Geomorphologic Landscape: Case Study of Tortum Creek Valley, Uzundere District (Erzurum/Turkey) . 2015. In Environment and Ecology at the Beginning of 21st Century , St. Klıment Ohrıdskı Unıversıty Press, Sofia, 556-569.

SEZEN, I., DEMİRCAN, N., KARAHAN, F., & BULUT, Z., (2015). Assessment of Visual Quality in Geomorphologic Landscape: Case Study of Tortum Creek Valley, Uzundere District (Erzurum/Turkey) . Environment and Ecology at the Beginning of 21st Century (pp.556-569), Sofia: St. Klıment Ohrıdskı Unıversıty Press.

SEZEN, Işık Et Al. "Assessment of Visual Quality in Geomorphologic Landscape: Case Study of Tortum Creek Valley, Uzundere District (Erzurum/Turkey) ." In Environment and Ecology at the Beginning of 21st Century , 556-569. Sofia: St. Klıment Ohrıdskı Unıversıty Press, 2015

SEZEN, Işık Et Al. "Assessment of Visual Quality in Geomorphologic Landscape: Case Study of Tortum Creek Valley, Uzundere District (Erzurum/Turkey) ." Environment and Ecology at the Beginning of 21st Century , St. Klıment Ohrıdskı Unıversıty Press, 2015, pp.556-569.

SEZEN, I. Et Al. (2015) "Assessment of Visual Quality in Geomorphologic Landscape: Case Study of Tortum Creek Valley, Uzundere District (Erzurum/Turkey) ", Environment and Ecology at the Beginning of 21st Century . Sofia: St. Klıment Ohrıdskı Unıversıty Press.

@bookchapter{bookchapter, author ={Işık SEZEN Et Al. }, chaptertitle={Assessment of Visual Quality in Geomorphologic Landscape: Case Study of Tortum Creek Valley, Uzundere District (Erzurum/Turkey) }, booktitle={ Environment and Ecology at the Beginning of 21st Century}, publisher={St. Klıment Ohrıdskı Unıversıty Press}, city={Sofia},year={2015} }