OMIRBAYEVA, B.S. On the issue of private expenses on health care . BUKETOV BUSINESS REVIEW, [S. l.], v. 95, n. 3, p. 314–319, 2019. Disponível em: https://bbr.buketov.edu.kz/economy-vestnik/article/view/273. Acesso em: 4 feb. 2026.