[1]
L. Sierpińska, “Review of tools for evaluation of leadership in market economy health care system”, piel21w, vol. 9, no. 3/4(32/33), pp. 115–119, Mar. 2011, Accessed: Jun. 08, 2025. [Online]. Available: https://czasopisma.umlub.pl/piel21w/article/view/2737