TY  - BOOK
AU  - Lee,Raymond M.
TI  - Unobtrusive methods in social research
T2  - Understanding social research
SN  - 0335200516 (pbk.)
AV  - H62. L4183 2000
U1  - 300.72 
PY  - 2000///
CY  - Philadelphia
PB  - Open University Press
KW  - Social sciences
KW  - Research
KW  - Methodology
ER  -