TY  - BOOK
AU  - 
TI  - The Open University: social sciences; a third level course research methods in education and the social sciences
SN  - 0 335 07423 5
U1  - 300.72 
PY  - 1979///
CY  - Milton Keynes
PB  - The Open University Press
KW  - Research Design
N1  - contents: block 3B research design
ER  -