Bogdanova, Galina, Todor Todorov, and Nikolay Noev. “Development, Annotation and Protection of Digital Archive ‘Bulgarian Folklore Heritage’”. Digital Presentation and Preservation of Cultural and Scientific Heritage 1 (September 30, 2011): 181. Accessed December 22, 2024. https://dipp.math.bas.bg/dipp/article/view/dipp.2011.1.23.