1. The full text of the papers should be up to 8 pages long, including figures and tables.
  2. The maximum number of papers with which each author can participate individually or in coauthorship is 2 (two).
  3. For a second paper, only a publication fee is due.
  4. Only papers that adhere to the topics, style guidelines (for graphic design and text layout), deadlines, have received a positive review and whose fees have been paid will be included in the conference programme and will be published in the conference proceedings.
  5. Selected papers will be published in the refereed publication of the Yearbook of TU-Sofia. The papers are indexed in ICI World of Journals through COBISS, COPERNICUS and CROSSREF which have a DOI /Digital Object Identifier/ assigned by Crossref. (
  6. During the conference, papers must be presented in the form of a multimedia presentation in one of the following working languages: English, Russian, or Bulgarian.
  7. The presentation and discussion of a paper should take no more than 15 minutes.
  8. If a participant can’t attend the conference session in person, the paper must be presented online.
  9. For each paper presented, the participants will receive an electronic copy of the proceedings and a certificate of participation.
  10. Further details regarding the conference and the style guidelines for the papers can be found at: