TY  - BOOK
AU  - Vasta,Ross
TI  - Strategies and techniques of child study
SN  - 0127150803
AV  - BF722.S77 
PY  - 1982///
CY  - New York
PB  - Academic Press
KW  - Child psychology
KW  - Methodology
KW  - Research
N1  - Includes bibliographical references

ER  -