ÖZTÜRK AYNAL, Ş. The Importance and Value of School Yards in Early Childhood Education. 2015. In Environment and Ecology at theBeginning of 21st Century , ST. KLIMENT OHRIDSKI UNIVERSITY PRESS, Sofija, 313-325.

ÖZTÜRK AYNAL, Ş., (2015). The Importance and Value of School Yards in Early Childhood Education. Environment and Ecology at theBeginning of 21st Century (pp.313-325), Sofija: ST. KLIMENT OHRIDSKI UNIVERSITY PRESS.

ÖZTÜRK AYNAL, ŞAFAK. "The Importance and Value of School Yards in Early Childhood Education." In Environment and Ecology at theBeginning of 21st Century , 313-325. Sofija: ST. KLIMENT OHRIDSKI UNIVERSITY PRESS, 2015

ÖZTÜRK AYNAL, ŞAFAK. "The Importance and Value of School Yards in Early Childhood Education." Environment and Ecology at theBeginning of 21st Century , ST. KLIMENT OHRIDSKI UNIVERSITY PRESS, 2015, pp.313-325.

ÖZTÜRK AYNAL, Ş. (2015) "The Importance and Value of School Yards in Early Childhood Education", Environment and Ecology at theBeginning of 21st Century . Sofija: ST. KLIMENT OHRIDSKI UNIVERSITY PRESS.

@bookchapter{bookchapter, author ={ŞAFAK ÖZTÜRK}, chaptertitle={The Importance and Value of School Yards in Early Childhood Education}, booktitle={ Environment and Ecology at theBeginning of 21st Century}, publisher={ST. KLIMENT OHRIDSKI UNIVERSITY PRESS}, city={Sofija},year={2015} }