Gürbüz, R. And Birgin, O. 2008. The Comparison of Students' Performance at Different Grades Regarding to Making Operation with Different Types of Representation of the Rational Numbers. PAMUKKALE UNIVERSITESI EGITIM FAKULTESI DERGISI-PAMUKKALE UNIVERSITY JOURNAL OF EDUCATION , no.23 , 85-94.

Gürbüz, R., & Birgin, O., (2008). The Comparison of Students' Performance at Different Grades Regarding to Making Operation with Different Types of Representation of the Rational Numbers. PAMUKKALE UNIVERSITESI EGITIM FAKULTESI DERGISI-PAMUKKALE UNIVERSITY JOURNAL OF EDUCATION , no.23, 85-94.

Gürbüz, Ramazan, And OSMAN BİRGİN. "The Comparison of Students' Performance at Different Grades Regarding to Making Operation with Different Types of Representation of the Rational Numbers," PAMUKKALE UNIVERSITESI EGITIM FAKULTESI DERGISI-PAMUKKALE UNIVERSITY JOURNAL OF EDUCATION , no.23, 85-94, 2008

Gürbüz, Ramazan And Birgin, OSMAN. "The Comparison of Students' Performance at Different Grades Regarding to Making Operation with Different Types of Representation of the Rational Numbers." PAMUKKALE UNIVERSITESI EGITIM FAKULTESI DERGISI-PAMUKKALE UNIVERSITY JOURNAL OF EDUCATION , no.23, pp.85-94, 2008

Gürbüz, R. And Birgin, O. (2008) . "The Comparison of Students' Performance at Different Grades Regarding to Making Operation with Different Types of Representation of the Rational Numbers." PAMUKKALE UNIVERSITESI EGITIM FAKULTESI DERGISI-PAMUKKALE UNIVERSITY JOURNAL OF EDUCATION , no.23, pp.85-94.

@article{article, author={Ramazan Gürbüz And author={OSMAN BİRGİN}, title={The Comparison of Students' Performance at Different Grades Regarding to Making Operation with Different Types of Representation of the Rational Numbers}, journal={PAMUKKALE UNIVERSITESI EGITIM FAKULTESI DERGISI-PAMUKKALE UNIVERSITY JOURNAL OF EDUCATION}, year=2008, pages={85-94} }