TY  - BOOK
AU  - Mussen,Paul Henry
AU  - Baldwin,Alfred L.(Alfred Lee),1914-
TI  - Handbook of research methods in child development
PY  - 1960///
CY  - New York
PB  - Wiley
KW  - Child psychology
KW  - Methodology
KW  - Psychology
KW  - Research
N1  - Includes bibliography
ER  -