HAZAR, Muhsin; BEYLEROGLU, Malik; TINGAZ, Emre Ozan; GOKYUREK, Belgin; ESENTURK, Oguz Kaan. A Comparison of Playfulness Levels of the Secondary Students in Kayseri and Trabzon Cities. European Scientific Journal, ESJ, [S. l.], v. 13, n. 29, p. 58, 2017. DOI: 10.19044/esj.2017.v13n29p58. Disponível em: https://test.eujournal.org/index.php/esj/article/view/10022. Acesso em: 15 apr. 2025.