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]. 10 lipiec 2017 [cytowane 19 maj 2024];8(1):167-80. Dostępne na: https://www.e-methodology.eu/index.php/jecs/article/view/10.15503.jecs20171.167.180