Alexiev, Vladimir, Plamen Tarkalanov, Nikola Georgiev, and Lilia Pavlova. “Bulgarian Icons in Wikidata and EDM”. Digital Presentation and Preservation of Cultural and Scientific Heritage 10 (September 13, 2020): 45–64. Accessed May 3, 2024. https://dipp.math.bas.bg/dipp/article/view/dipp.2020.10.2.