331.11063
G591H
           Godwin, Francis W
               The hidden force a report of the international conference on middle level manpower, San Juan, Puerto, Rico, October 10-12, 1962 \ Francis W Godwin - New York : Happer and Row, 1963.
               xvi, 203p.
44575
                Subjects: Economic development; Human beings-Human capital; Manpower planning.