Ertepinar, H. Et Al. 2004. Students' achievement in matter concepts: A cross-age study.. Meeting of the Division of Chemical Toxicology of the American-Chemical-Society held at the 228th National Meeting of the American-Chemical-Society , (Pennsylvania, United States Of America).

Ertepinar, H., Yilmaz, A., Sungur, S., & Tekkaya, C., (2004). Students' achievement in matter concepts: A cross-age study. . Meeting of the Division of Chemical Toxicology of the American-Chemical-Society held at the 228th National Meeting of the American-Chemical-Society, Pennsylvania, United States Of America

Ertepinar, HAMİDE Et Al. "Students' achievement in matter concepts: A cross-age study.," Meeting of the Division of Chemical Toxicology of the American-Chemical-Society held at the 228th National Meeting of the American-Chemical-Society, Pennsylvania, United States Of America, 2004

Ertepinar, HAMİDE Et Al. "Students' achievement in matter concepts: A cross-age study.." Meeting of the Division of Chemical Toxicology of the American-Chemical-Society held at the 228th National Meeting of the American-Chemical-Society , Pennsylvania, United States Of America, 2004

Ertepinar, H. Et Al. (2004) . "Students' achievement in matter concepts: A cross-age study.." Meeting of the Division of Chemical Toxicology of the American-Chemical-Society held at the 228th National Meeting of the American-Chemical-Society , Pennsylvania, United States Of America.

@conferencepaper{conferencepaper, author={HAMİDE ERTEPINAR Et Al. }, title={Students' achievement in matter concepts: A cross-age study.}, congress name={Meeting of the Division of Chemical Toxicology of the American-Chemical-Society held at the 228th National Meeting of the American-Chemical-Society}, city={Pennsylvania}, country={United States Of America}, year={2004}}