Rymaniak, Janusz, and Katarzyna Wojciechowska. “Proffesional Activities As a Basic for the Proffesional Inclusion of People Whit Intellectual Disabilities in the Opinion of Employers from the Wielkopolska Region”. Studia Oeconomica Posnaniensia, vol. 1, no. 7, July 2013, pp. s. 51-63, https://doi.org/10.18559/716zxc73.