The Role Of Internal Audit In Cost Control And Optimization In Sanatorium-Wellness Institutions. Eurasian Medical Research Periodical, [S. l.], v. 43, p. 1–6, 2025. Disponível em: https://geniusjournals.org/index.php/emrp/article/view/6806. Acesso em: 9 may. 2026.