Altun, A. And KELECİOĞLU, H. 2016. A Comparison of Calibration Methods and Proficiency Estimators Based on Item Response Theory in Vertical Scaling. HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , vol.31, no.3 , 447-460.

Altun, A., & KELECİOĞLU, H., (2016). A Comparison of Calibration Methods and Proficiency Estimators Based on Item Response Theory in Vertical Scaling. HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , vol.31, no.3, 447-460.

Altun, Aysegul, And HÜLYA KELECİOĞLU. "A Comparison of Calibration Methods and Proficiency Estimators Based on Item Response Theory in Vertical Scaling," HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , vol.31, no.3, 447-460, 2016

Altun, Aysegul And KELECİOĞLU, HÜLYA. "A Comparison of Calibration Methods and Proficiency Estimators Based on Item Response Theory in Vertical Scaling." HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , vol.31, no.3, pp.447-460, 2016

Altun, A. And KELECİOĞLU, H. (2016) . "A Comparison of Calibration Methods and Proficiency Estimators Based on Item Response Theory in Vertical Scaling." HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , vol.31, no.3, pp.447-460.

@article{article, author={Aysegul Altun And author={HÜLYA KELECİOĞLU}, title={A Comparison of Calibration Methods and Proficiency Estimators Based on Item Response Theory in Vertical Scaling}, journal={HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION}, year=2016, pages={447-460} }