TY  - BOOK
AU  - 
ED  - Pan American Union.
TI  - Supervisión en servício social
T2  - Estudios y monografias,
AV  - HV41 .M28
PY  - 1962///
CY  - Washington
PB  - Unión Panamericana
KW  - Social service
N1  - Previous ed. issued in 1958 by the Pan American Union, Section of Social Work; Bibliography : p. 148-152
ER  -