Goynov, Maxim, Konstantin Rangochev, Desislava Paneva-Marinova, and Vladimir Sapunjiev. “Tracking Interoperability Service in Digital Libraries for Orthodox Art and Knowledge”. Digital Presentation and Preservation of Cultural and Scientific Heritage 6 (September 30, 2016): 137–146. Accessed December 22, 2024. https://dipp.math.bas.bg/dipp/article/view/dipp.2016.6.13.