1. Georgieva B., Theoretical Aspects of Engineering Design, IX International Congress "Machines, Technologies, Materials 2012", September 19–21 2012 Varna , Bulgaria , Symposium " Industrial Design Engineering&Ergonomics 2012'', Vol . 2, ISSN 1310-3946, p. 47–49 .
2. Georgieva B., Heuristic methods for forming expert groups for evaluating design products, National scientific conference "Engineering design and ergonomics", Sofia, Collection of reports, November 19-21, 2009, pp. 50-54, ISSN 1313 -9584 (In Bulgarian)
3. Evtimova M. Art-design-art. Monograph. Copy print group, Sofia, 2019. ISBN 978-619-90888-6-9. (In Bulgarian)
4. Georgieva B. Conceptual challenges. Aesthetic achievements from the exhibition activity at the Technical University - Sofia, 2021_2022. Collection of articles and studies volume 3. Publishing House of the Technical University - Sofia, 2022. (In Bulgarian)
5. Council Regulation ( EC) No 6/2002 of 12 December 2001 on Community designs (OJ EC No L 3 of 5.1.2002, p.1) https://euipo.europa.eu/ohimportal/en/design-definition (Visited on 01.08.2022 )