BINDERMAN, Z.; BORKOWSKI, B.; SZCZESNY, W. Radar coefficient of concentration. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 13, n. 2, p. 7–21, 2012. Disponível em: https://qme.sggw.edu.pl/article/view/3531. Acesso em: 21 lis. 2024.