TY  - GEN
AU  - Becker, Howard Saul,
TI  - Sociological work  : : method and substance. / 
PY  - 1977///
CY  - new brunswick, n.j.
PB  - Transaction Books
KW  - CIENCIAS SOCIALES
KW  - INVESTIGACIONES
KW  - SOCIOLOGIA
KW  - METODOLOGIA
ER  -