CHRZANOWSKA, Mariola; DREJERSKA, Nina; POMIANEK, Iwona. AN ATTEMPT TO DETERMINE THE FUNCTIONAL AREA OF WARSAW WITH THE USE OF THE MEASURE OF RELATIVE DEVELOPMENT LEVEL AND HELLWIG"S MEASURE. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 12, n. 1, p. 5–15, 2013. Disponível em: https://aspe.sggw.edu.pl/article/view/542. Acesso em: 3 apr. 2025.