PAWŁOWSKA, Małgorzata; PUCHALSKA, Katarzyna. Analysis of competition and concentration on the retail market in Poland based on the Linda index. Kwartalnik Kolegium Ekonomiczno-Społecznego. Studia i Prace, [S. l.], n. 4(40), p. 11–27, 2019. Disponível em: https://econjournals.sgh.waw.pl/kwes/article/view/3712. Acesso em: 14 nov. 2026.