TY  - BOOK
AU  - Reyes,Petra
TI  - A field study of worker performance in a community-based health
SN  - Working paper #16 May 1985.
U1  - 363.9609669 FIE 
PY  - 0000///Columbia University
CY  - New York
PB  -  Center for Population and Family Health faculty of Medicine
KW  - Social Problems
ER  -