Ceng, Z. Et Al. 2010. Determining in-service training needs of chemistry teachers: A study on the 9th grade new chemistry program.. World Conference on Educational Sciences 2010 , (İstanbul, Turkey), 2858-2862.

Ceng, Z., Dönmez Usta, N., YILDIRIM, N., & AYAS, A., (2010). Determining in-service training needs of chemistry teachers: A study on the 9th grade new chemistry program. . World Conference on Educational Sciences 2010 (pp.2858-2862). İstanbul, Turkey

Ceng, Zeliha Et Al. "Determining in-service training needs of chemistry teachers: A study on the 9th grade new chemistry program.," World Conference on Educational Sciences 2010, İstanbul, Turkey, 2010

Ceng, Zeliha Et Al. "Determining in-service training needs of chemistry teachers: A study on the 9th grade new chemistry program.." World Conference on Educational Sciences 2010 , İstanbul, Turkey, pp.2858-2862, 2010

Ceng, Z. Et Al. (2010) . "Determining in-service training needs of chemistry teachers: A study on the 9th grade new chemistry program.." World Conference on Educational Sciences 2010 , İstanbul, Turkey, pp.2858-2862.

@conferencepaper{conferencepaper, author={Zeliha Ceng Et Al. }, title={Determining in-service training needs of chemistry teachers: A study on the 9th grade new chemistry program.}, congress name={World Conference on Educational Sciences 2010}, city={İstanbul}, country={Turkey}, year={2010}, pages={2858-2862} }