TY  - BOOK
AU  - Smith,Emma
TI  - Using secondary data in educational and social research
U1  - 370.7  22
PY  - 2008///].
CY  - [New York]: 
PB  - Open University Press, 
KW  - Έρευνα
KW  - Εκπαίδευση
N1  - Includes appendix (p. 175-232); Includes bibliographical references (p. 233-246); Includes index (p. 247-249)
ER  -