| ID | 210793 |
| Call Number | X:99Dp1,N62/K3/095933 |
| Title Proper | Hidden force : Report of the conference |
| Language | ENG |
| Author | International Conference on Middle Level Manpower, San Juan, Puerto Rico, |
| Publication | NEw York, Harper and Row, 1963. |
| Description | 203p 22 cm |
| Price. Qualification | $3.95(GIPE Pur) |
| Classification Number | X:99Dp1,N62 |