TY  - BOOK
AU  - Kirk, Jerome
TI  - Reliability and validity research
SN  - 0-8039-3560-3
U1  - 300.1 KIR-; 
PY  - 1986///
CY  - New Delhi
PB  - Sage Publications
KW  - Social sciences - Research
KW  - Social sciences - Methodology -
ER  -