Sadovnicova, L. y Kokiel, A. (2020) «Situational and Normative Approach as a Method for Identifying and Improving Business and Personal Qualities of a Manager», Amazonia Investiga, 9(25), pp. 153–159. Disponible en: https://amazoniainvestiga.info/index.php/amazonia/article/view/1118 (Accedido: 21 noviembre 2025).