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2. Student expectations and teacher education traditions with which we can and cannot live;Book;Journal of Teacher Education,1983
3. Developmentally appropriate practices in early childhood education;Bredekamp,1997
4. Developmentally appropriate practice in early childhood programs: serving children from birth through age 8;Copple,2009
5. Research design: qualitative, quantitative, and mixed methods approaches;Creswell,2003