https://class.waldenu.edu/bbcswebdav/institution/USW1/201910_05/BS_BSCD/EDUC_3301_WC/artifacts/USW1_EDUC_3301_Life-span_development_chapter_1.pdfBlume, L. B., & Zembar, M. J. (2007). Middle childhood to middle adolescence. Upper Saddle River, NJ: Pearson [Vital Source e-reader].Chapter 1, “Studying Middle Childhood and […]