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Bu Makaleye Atıf Yap
Geban, Ö., Bayır, G. (2000). Effect of conceptual change approach on students understanding of chemical change and conservation of matter. Hacettepe Üniversitesi Eğitim Fakültesi Dergisi, Cilt: 19 Sayı: 19, 1–1. https://ajindex.com/articles/974185