Umurtak, Gülsün. “From the Neolithic to the End of Early Bronze Age: Developments in the Construction of Entrance Gates and City Walls at Settlements in Burdur (Turkey) and the Surrounding Region”. Bulgarian e-Journal of Archaeology | Българско е-Списание за Археология 12, no. 1 (June 10, 2022): 1–27. Accessed November 29, 2023. https://be-ja.org/index.php/journal/article/view/260.