ТРОФИМЕНКО, Г. С. Comparison of economics and mathematical modeling of economic structures in health area. Technology audit and production reserves, [S. l.], v. 4, n. 2(6), p. 19–20, 2012. DOI: 10.15587/2312-8372.2012.4708. Disponível em: https://journals.uran.ua/tarp/article/view/4708. Acesso em: 7 dec. 2025.