TY  - BOOK
AU  - Weil Joyce Au.
TI  - Research design in aging and social gerontology:  quatitative, qualitative, and mixed methods
SN  - 9781138690264 (pbk)
U1  - Sigma:f, Q7 
PY  - 2017///
CY  - New York
PB  - Routledge USA      
KW  -  SOCIAL SCIENCES
KW  - RESEARCH METHODS
ER  -