1 134 Research Article TR FOLLOW-UP STUDY OF ACADEMIC ACHIEVEMENT OF STUDENTS THAT START THE SCHOOL IN DIFFERENT AGES Handan Doğan Zeynep Çiğdem Özcan Pages 515-527 Received 21 Sep 2018 Accepted 05 Dec 2018 Published 20 Dec 2018 DOI 10.17498/kdeniz.461540 View Article Download PDF Cite