References
https://www.theguardian.com/teacher-network/teacher-blog/2013/feb/27/play-education-creative-learning-teachers-schools
http://scholarworks.wmich.edu/cgi/viewcontent.cgi?article=1529&context=reading_horizons
http://www.earlychildhoodnews.com/earlychildhood/article_view.aspx?articleid=751
https://www.ukessays.com/essays/uncategorised/how-play-therapy-enables-children-to-change.php#_ftn39