Bob Feinberg, and Maurizio Zanardi. “ANALYSIS OF THE INFLUENCE OF OPERATIONAL COSTS ON INCREASING THE FINANCIAL PERFORMANCE OF AMERICAN PUBLIC HELATH CORPORATION”. MEDALION JOURNAL: Medical Research, Nursing, Health and Midwife Participation 3, no. 2 (June 30, 2022): 44–57. Accessed July 7, 2024. http://medalionjournal.com/index.php/go/article/view/18.