Yaneva, Rumyana. “COMPARATIVE ANALYSIS OF THE ECONOMIC INDICATORS OF THE ACTIVITIES OF MULTI-PROFILE HOSPITALS FOR ACTIVE TREATMENT IN BULGARIA AND THEIR CHANGE AS A RESULT OF THE COVID-19 PANDEMIC ”. MEDIS – International Journal of Medical Sciences and Research 1, no. 3 (August 30, 2022): 49–54. Accessed December 22, 2024. https://medisij.com/index.php/mij/article/view/27.