Potorska AB. Application of action research methodology in the process of developing tools and solutions used in social practice in the field of the social exclusion phenomenan. JECS [Internet]. 2017 Jul. 10 [cited 2024 Sep. 1];8(1):167-80. Available from: https://ogrodynauk.pl/index.php/jecs/article/view/10.15503.jecs20171.167.180