ŁASZKIEWICZ, Edyta. Spatial Aspects in the Multilevel Models Construction. Acta Universitatis Lodziensis. Folia Oeconomica, Poland, n. 292, p. 47–58, 2013. DOI: 10.18778/0208-6018.292.05. Disponível em: https://www.czasopisma.uni.lodz.pl/foe/article/view/26917. Acesso em: 8 aug. 2026.