WITCZAK, H. The systemic-praxeological approach to the methodology of primary scientific activity of the management science system. Research Papers in Economics and Finance, [S. l.], v. 4, n. 2, p. 7–17, 2020. DOI: 10.18559/ref.2020.2.1. Disponível em: https://journals.ue.poznan.pl/REF/article/view/101. Acesso em: 7 may. 2024.