Shaffer, David R.

Development Psychology Shaffer, David R 2002 Development Psychology childhood and adolescence Shaffer, David R 2002 Developmental psychology Shaffer, David R. 2020 Developmental Psychology Shaffer, David R. 2013 Developmental psychology Shaffer, David R. 2007 Developmental psychology Shaffer, David R. 1989 Developmental Psychology Shaffer, David R. 1985 Developmental psychology Shaffer, David R. Year not listed Developmental Psychology: Childhood & Adolescence Shaffer, David, R 2010 Social and personality development Shaffer, David R. 2005 Social and personality development Shaffer, David R. 2000 Social and personality development Shaffer, David R. 1988 Social and personality development Shaffer, David R. 1979