Wakuła, Monika. “The Level of Indebtedness of Communes in the Area of Ostrołęka-Siedlce Subregion”. Management and Administration Journal 41, no. 114 (May 12, 2019): 71–85. Accessed December 22, 2024. https://czasopisma.uph.edu.pl/znadministracja/article/view/403.