PEKİNCE, P. And DAĞLIOĞLU, H. E. The Development of the Number Concept for Preschoolers. 2015. In Education in the 21st Century Theory and Practice , ST. KLIMENT OHRIDSKI UNIVERSITY PRESS, SOFYA, 668-676.

PEKİNCE, P., & DAĞLIOĞLU, H. E., (2015). The Development of the Number Concept for Preschoolers. Education in the 21st Century Theory and Practice (pp.668-676), SOFYA: ST. KLIMENT OHRIDSKI UNIVERSITY PRESS.

PEKİNCE, PELİN, And HACER ELİF DAĞLIOĞLU. "The Development of the Number Concept for Preschoolers." In Education in the 21st Century Theory and Practice , 668-676. SOFYA: ST. KLIMENT OHRIDSKI UNIVERSITY PRESS, 2015

PEKİNCE, PELİN And DAĞLIOĞLU, HACER E. . "The Development of the Number Concept for Preschoolers." Education in the 21st Century Theory and Practice , ST. KLIMENT OHRIDSKI UNIVERSITY PRESS, 2015, pp.668-676.

PEKİNCE, P. And DAĞLIOĞLU, H. E. (2015) "The Development of the Number Concept for Preschoolers", Education in the 21st Century Theory and Practice . SOFYA: ST. KLIMENT OHRIDSKI UNIVERSITY PRESS.

@bookchapter{bookchapter, author ={PELİN PEKİNCE And author ={HACER ELİF DAĞLIOĞLU}, chaptertitle={The Development of the Number Concept for Preschoolers}, booktitle={ Education in the 21st Century Theory and Practice}, publisher={ST. KLIMENT OHRIDSKI UNIVERSITY PRESS}, city={SOFYA},year={2015} }