Hazar M, Beyleroglu M, Tingaz EO, Gokyurek B, Esenturk OK. A Comparison of Playfulness Levels of the Secondary Students in Kayseri and Trabzon Cities. ESJ [Internet]. 2017 Oct. 31 [cited 2025 Apr. 15];13(29):58. Available from: https://test.eujournal.org/index.php/esj/article/view/10022