E. Alp

A survey on Turkish elementary school students’ environmental friendly behaviours and associated variables

Ceren Tekkaya, Hamide Ertepinar, C. Tekkaya, 2008 .

A Statistical Analysis of Children’s Environmental Knowledge and Attitudes in Turkey

C. Tekkaya, H. Ertepınar, E. Alp, 2006 .

Students’ understanding of matter: the effect of reasoning ability and grade level

E. Alp, Ayhan Yilmaz, 2006 .