Atasoy, B. Et Al. 2007. The-effect of cooperative learning to grade 7 students' understanding of physical and chemical changes topic. HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , no.32 , 12-21.

Atasoy, B., Genc, E., Kadayifci, H., & Akkus, H., (2007). The-effect of cooperative learning to grade 7 students' understanding of physical and chemical changes topic. HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , no.32, 12-21.

Atasoy, Basri Et Al. "The-effect of cooperative learning to grade 7 students' understanding of physical and chemical changes topic," HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , no.32, 12-21, 2007

Atasoy, Basri Et Al. "The-effect of cooperative learning to grade 7 students' understanding of physical and chemical changes topic." HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , no.32, pp.12-21, 2007

Atasoy, B. Et Al. (2007) . "The-effect of cooperative learning to grade 7 students' understanding of physical and chemical changes topic." HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION , no.32, pp.12-21.

@article{article, author={Basri Atasoy Et Al. }, title={The-effect of cooperative learning to grade 7 students' understanding of physical and chemical changes topic}, journal={HACETTEPE UNIVERSITESI EGITIM FAKULTESI DERGISI-HACETTEPE UNIVERSITY JOURNAL OF EDUCATION}, year=2007, pages={12-21} }