TY  - BOOK
AU  - Mussen,Paul Henry
AU  - Baldwin,Alfred Lee
TI  - Handbook of research methods in child development
PY  - 1960///
CY  - New York
PB  - Wiley
KW  - Child development
KW  - Methodology
KW  - Local
KW  - Psychological research
N1  - Includes index; Includes bibliographical references
ER  -