Sadovnicova L, Kokiel A. Situational and Normative Approach as a Method for Identifying and Improving Business and Personal Qualities of a Manager. AmazInv [Internet]. 2020 Jan. 25 [cited 2026 Aug. 7];9(25):153-9. Available from: https://mail.amazoniainvestiga.info/index.php/amazonia/article/view/1118