Budzeń, D., and A. Sobczyk. “EVALUATION OF LOCAL ECONOMIC ACTIVITIES AS ELEMENTS OF THE DEVELOPMENT OF SMALL AND MEDIUM-SIZED CITIES”. Zeszyty Naukowe UPH Seria Administracja I Zarządzanie, vol. 53, no. 126, Jan. 2021, pp. 47-54, doi:10.34739/zn.2020.53.05.