1. Georgi Lambadjiev (Bulgaria) – Introduction
2. Georgi Lambadjiev (Bulgaria) - РpQ-Adaptation
3. Georgi Lambadjiev (Bulgaria) - РpQ-Analogisation
4. Georgi Lambadjiev (Bulgaria) - РpQ-Inclusion
5. Georgi Lambadjiev (Bulgaria) - РpQ-Replacement
6. Georgi Lambadjiev (Bulgaria) - РpQ-Exclusion
7. Georgi Lambadjiev (Bulgaria) - РpQ-Inversion
8. Georgi Lambadjiev (Bulgaria) - РpQ-Offset
9. Georgi Lambadjiev (Bulgaria) - РpQ-Copy
10. Georgi Lambadjiev (Bulgaria) - РpQ-Liquidation
11. Georgi Lambadjiev (Bulgaria) - РpQ-Reduction
12. Georgi Lambadjiev (Bulgaria) - РpQ-Removal
13. Georgi Lambadjiev (Bulgaria) - РpQ-Create
14. Georgi Lambadjiev (Bulgaria) - РpQ-Joining
15. Georgi Lambadjiev (Bulgaria) - РpQ-Differentiation
16. Georgi Lambadjiev (Bulgaria) - РpQ-Transformation
17. Georgi Lambadjiev (Bulgaria) - РpQ-Increase
18. Vanya Vasileva (Bulgaria) - GREEN INFRASTRUCTURE
19. Ekaterina Keremidarska (Bulgaria), Jordanka Angelova (Bulgaria), Mladen Totev (Bulgaria) - THE LONESOME “CHOICE” OF THE SUPERVISED LOVE
20. Ivan Varbanov (Bulgaria) – TWO RARE ANCHIALUS COINS
21. Ivan Varbanov (Bulgaria) – GREEK IMPERIAL COINS OF APOLLONIA PONTICA
22. Lora Rashkova (Bulgaria) - THE SOCIAL AND PEDAGOGICAL ACTIVITY IN THE BASIS OF THE SOCIAL SYSTEM IN EUROPE
23. Lora Rashkova (Bulgaria) - MANAGEMENT AND FINANCING OF BASES IN THE SOCIAL SYSTEM IN EUROPE

24. Tasin Tasinov (Bulgaria) - TYPES OF RAW MATERIALS USED FOR 3D PRINTING OF OBJECTS IN TECHNOLOGICAL TRAINING 

25. Denitza Zagorcheva (Bulgaria) - REVIEW OF SOME SIGNIFICANT CHANGES IN TAXATION IN BULGARIA SINCE THE TRANSITION TO TODAY