Borisova, Tatyana, and Mihaela Zaneva. “Тракийски ритуални ями от Правешко: The Thracian Ritual Pits in the Region of Pravets”. Bulgarian e-Journal of Archaeology Supplements | Българско е-Списание за Археология Supplementa 10 (December 13, 2023): 127–136. Accessed February 10, 2025. https://be-ja.org/index.php/supplements/article/view/314.