Juvanec, B. (2011). Tomšič Čerkez, B. and Zupančič, D. (2011). Play Space [Prostor igre]. Ljubljana: University of Ljubljana, Faculty of Education and Faculty of Architecture. 164 p., ISBN 978-961-253-053-2. Center for Educational Policy Studies Journal, 1(4), 107–112. https://doi.org/10.26529/cepsj.410