Authors
M. Lazarova
Department of Healthcare Economics, Faculty of Public Health, Medical University – Sofia, Bulgaria
T. Zlatanova
Department of Healthcare Economics, Faculty of Public Health, Medical University – Sofia, Bulgaria
© 2019 M. Lazarova, T. Zlatanova, published by Medical University - Sofia
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.