MÜLLER-FRĄCZEK, Iwona; MUSZYŃSKA, Joanna; PIETRZAK, Michał Bernard. Analysis of Convergence Process of Polish Household Food Expenditures. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], n. 293, p. 63–73, 2013. DOI: 10.18778/0208-6018.293.06. Disponível em: https://www.czasopisma.uni.lodz.pl/foe/article/view/26907. Acesso em: 6 dec. 2025.