TY  - BOOK
AU  - Godwin F W
AU  - Goodwin R N
AU  - Haddad W F
TI  - Hidden force
U1  - 331.11 
PY  - 1963///
CY  - London
PB  - Harper & Row
KW  - Labor economics
N1  - A report of the International cong.on middle level manpower,San Juan,Puerto Rico, Oct.10-12,1962
ER  -