Brodziński, Zbigniew, Emilia Bojkowska, and Sebastian Janek. “Development of Micro-Enterprises in Rural Areas in the Warmińsko-Mazurskie Voivodship”. Olsztyn Economic Journal 15, no. 2 (August 31, 2020): 103–112. Accessed April 23, 2024. https://czasopisma.uwm.edu.pl/index.php/oej/article/view/5834.