ALEKSANDROVA, O.; OMELCHENKO, Y.; POPOVICH, O. Competition as a Factor of Social Development. Studia Warmińskie, [S. l.], v. 55, p. 43–62, 2018. DOI: 10.31648/sw.3061. Disponível em: https://czasopisma.uwm.edu.pl/index.php/sw/article/view/3061. Acesso em: 4 may. 2024.