TY  - BOOK
AU  - Layder,Derek
TI  - Investigative research: theory and practice 
SN  - 9781446287538
PY  - 2018///
CY  - Los Angeles
PB  - SAGE
KW  - Social sciences
KW  - Research
KW  - Methodology
N1  - Includes bibliographical references and index
ER  -