From Social Needs to the Functions of Management: Evolution of Operational Control. Economic journal of Lesya Ukrainka Volyn National University, [S. l.], v. 3, n. 7, p. 122–127, 2016. DOI: 10.29038/2411-4014-2016-03-122-127. Disponível em: https://www.echas.vnu.edu.ua/index.php/echas/article/view/307. Acesso em: 22 may. 2025.