TY  - BOOK
AU  - Ragin,Charles C.
TI  - The comparative methods : : moving beyond qualitative and quantitative strategies
SN  - 0520066189
PY  - 1987///
CY  - Berkeley : 
PB  - University of California Press, 
KW  - METODOLOGIA
KW  - CIENCIAS SOCIALES
KW  - DOCTORADO
ER  -