TY  - BOOK
AU  - Kirk, Jerome.
AU  - Miller, Marc L.
TI  - Reliability and Validity in Qualitative Research: : Qualitative Research Methods, Volume 1
SN  - 9780803924703
U1  - 306 
PY  - 1986///
CY  - Newbury Park: 
PB  - Sage
ER  -