Wilk, Anna. 2019. “Prohibition of Competitive Activities for Members of Housing Cooperative Councils and Boards As Well As Consequences of Non-Compliance With the Prohibition”. Scientific Journal of Bielsko-Biala School of Finance and Law 23 (2). Bielsko-Biała, PL:69-73. https://doi.org/10.5604/01.3001.0013.6522.