T., A. A. . Problems of Business Activity of the Enterprise. European Journal of Life Safety and Stability (2660-9630), [S. l.], v. 15, p. 144-147, 2022. Disponível em: http://www.ejlss.indexedresearch.org/index.php/ejlss/article/view/512. Acesso em: 5 oct. 2025.