DAFTAR PUSTAKA. Arikunto, S. (1996). Prosedur penelitian suatu pendekatan praktek. Jakarta: PT. Rineka Cipta

1 DAFTAR PUSTAKA Akar, E. (2005). Effectiveness of 5e learning cycle model on students understanding of acid-base concepts. (Tesis). The Gradute Schoo...
Author:  Ridwan Kusuma

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