„.. International Interdisciplinary Research Conference, Forum for Scholars in the Field of social sciences, natural sciences, engineering and humanities to present their latest achievements and to discuss innovative trends in all areas of sustainable development, including environment, economy, energy, infrastructure, health, social development, cultural issues, etc. The conference participation is expected to be live in Sofia, Bulgaria. However, in the current situation, online participation can be arranged. Official languages of the conference are: Bulgarian and English. The conference proceedings will be submitted to Web of Science for coverage in the Conference.