Özge Yiğitcan Nayir, Gönül Kurt Erhan, Merve Koştur, Hacer Türkoğlu, Şeref Mirasyedioğlu 2018. Investigating the Readiness of Students in Primary Teacher Education Program through Verbal, Model, and Mathematical Representations of Number Sets. Turkish Journal of Computer and Mathematics Education (TURCOMAT). 9, 2 (Aug. 2018), 249–282.