TY  - BOOK
AU  - Lee,Raymond M.
TI  - Unobtrusive methods in social research
SN  - 0335200516 (pbk.)
PY  - 2000///
CY  - Buckingham
PB  - Open University
KW  - Social sciences
KW  - Research
KW  - Methodology
N1  - Includes bibliographical references (p. 144-164) and index
ER  -