@misc{identification+of+shrinking+cities+in+poland+using+a+multi+criterion+indicator,
    author = {Szymczyk, Ewa i Bukowski, Mateusz},
    title = {Identification of shrinking cities in Poland using a multi-criterion indicator},
    journal = {Przegląd Geograficzny},
    date = {2023},
    number = {tom 95, zeszyt 4},
    ISSN = {0033-2143}
}