publications
All papers included in the congress scientific program will be published as follows:
- All reports submitted on the Bulgarian, Russian, English or German: in a separate volume „International Scientific Congress „Machines.Technologies.Materials” - ISSN 2535-0021 (Print), ISSN 2535-003X (Online)” for each thematic session;
- CD containing all the papers;
- Papers written in English: in the separate issue of the international scientific journals (www.stumejournals.com) according to the themes of the reports:
-"Мachines. Technologies. Materials” (Print ISSN 1313-0226, Web ISSN 1314-507X)
-"Innovations” (Print ISSN 1314-8907, Web ISSN 2534-8469)
- "Materials Science. Non-Equilibrium Phase Transformations” (Print ISSN 2367-749Х, Web ISSN 2534-8477)
-"Science. Business. Society” ( Print ISSN 1313-0226, Web ISSN 2534-8485)
-“Industry 4.0” (Print ISSN 2534-8582, Web ISSN 2534-8582)
X INTERNATIONAL SCIENTIFIC CONFERENCE
XXII INTERNATIONAL SCIENTIFIC CONGRESS
XVIII INTERNATIONAL CONFERENCE FOR YOUNG RESEARCHERS
XXX INTERNATIONAL SCIENTIFIC AND TECHNICAL CONFERENCE "FOUNDRY" 
X INTERNATIONAL SCIENCE CONFERENCE SUMMER SESSION INDUSTRY 4.0
INTERNATIONAL SCIENTIFIC CONFERENCE ON 
IX INTERNATIONAL CONFERENCE OF SECURITY
X INTERNATIONAL SCIENTIFIC CONFERENCE 
IX INTERNATIONAL SCIENCE CONFERENCE MATHEMATICAL MODELING