Assoc. Prof. BÜLENT ÇETİNKAYA

Syracuse University, School of Education, Teaching and Leadership, United States Of America

Celâl Bayar Üniversitesi, Fen Bilimleri Enstitüsü, Matematik (Dr), Turkey

Middle East Technical University, Faculty of Education, Matematik Ve Fen Bilimleri Eğitimi Bölümü, Turkey

Recollected Changes in Mathematics Teachers’ Beliefs and Practices: Perceptions and Psychological Type Preferences

Syracuse University

Geometry of Time-Like Surfaces

Manisa Celal Bayar University