Karaivanova-Dolchinkova, Bonka, and Penka Kozhuharova. “MONITORING AND ANALYSIS OF THE ACHIEVED RESULTS OF USING THE STEM OFFICES IN VELIKO TARNOVO REGION AFTER THE LAUNCH OF THE NATIONAL PROGRAM”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, vol. 2, June 2024, pp. 393-8, https://doi.org/10.17770/etr2024vol2.8094.