Krivenko, Natalya Vasilyeva, and Andrey Igorevich Tsvetkov. “Efficiency of Funding Healthcare for Ensuring the Economic Security of a Region”. Economy of Regions 14, no. 3 (September 9, 2018): 970–986. Accessed May 15, 2026. https://economyofregions.org/ojs/index.php/er/article/view/1924.