The Hidden force a report of the International Conference in Middle Level Manpower, San Juan, Puerto Rico, October 10-12, 1962
| Autores Corporativos: | , |
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| Otros Autores: | , , |
| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
New York
Harper & Row
[c1963].
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| Materias: |