Madzharov М. Coin Circulation along the Upper Valley of the Stryama River (6th – 4th centuries BC): The contribution has been presented during the international conference "First Bulgarian Numismatic Readings (BulgNR)", 10-12 November 2020. Bulgarian Numismatic Journal, [S. l.], v. 2, n. 2, p. 1–20, 2024. DOI: 10.5281/zenodo.14561131. Disponível em: https://bulgnj.com/index.php/e-journal/article/view/74. Acesso em: 23 jan. 2025.