Chrzanowska M, Drejerska N, Pomianek I. AN ATTEMPT TO DETERMINE THE FUNCTIONAL AREA OF WARSAW WITH THE USE OF THE MEASURE OF RELATIVE DEVELOPMENT LEVEL AND HELLWIG"S MEASURE. aspe [Internet]. 2013 Mar. 30 [cited 2024 Apr. 25];12(1):5-15. Available from: https://aspe.sggw.edu.pl/article/view/542