POSSIBILITIES FOR THE DEVELOPMENT OF MEDIUM TOWNS OF MULTIPOLAR SYSTEM OF THE MIDDLE POMERANIA IN THE LIGHT OF ENDOGENOUS AND EXOGENOUS FACTORS. zeszyty [Internet]. 2019 Dec. 20 [cited 2025 Dec. 11];1(23):173-99. Available from: https://www.ezeszyty.wne.tu.koszalin.pl/index.php/zeszyty/article/view/151