Tyutyukin V. K. Calculation of sales volume to establish the feasibility of opening the branch of the company // Russian Journal of Entrepreneurship. — 2018. — Vol. 19. — № 7. — p. 2125-2132. — doi: 10.18334/rp.19.7.39250
Nikolay Kapustin Business Economic Parameters Optimization in the Health Care System // Creative Economy. — 2013. — № 1 (73). — p. 127-132. — URL: http://bgscience.ru/com/lib/4071