TY  - BOOK
AU  - Judd,Charles M
AU  - Kidder,Louise H.
AU  - Smith,Eliot R.
TI  - Research methods in social relations
SN  - 0030311497
U1  - 300.72 
PY  - 1991///
CY  - Fort Worth, TX.
PB  - Holt, Rinehart, and Winston
KW  - Investigación social
KW  - Metodología
ER  -