销售Psyc 223电子书(pdf):Shaffer, D. R., Kipp, K., Wood, E., Willoughby, T., Roberts, K., Gottardo, A., Krettenauer, T., Lee, J. & Newton, N. (2019). Developmental Psychology: Infancy and Childhood (5th Canadian Ed.). Nelson Education Ltd. Toronto, ON. ISBN-10: 017687397X! R9 a5 F* K ?8 J" h1 R ~' E
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