| 000 | 00512nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1974 xx 000 0 und d | ||
| 082 | _a370.184 U-4U | ||
| 100 | _aUnesco | ||
| 245 | 0 | _aUnesco educational simulation model (ESM) Methods and Analysis Division (MAD) Department of Social Sciences | |
| 260 | _c1974 | ||
| 300 | _a29p | ||
| 440 | _aReports and papers in the social sciences, no. 29 | ||
| 650 | _aEDUCATION -- MATHEMATICAL MODELS | ||
| 653 | _aEDUCATION -- MATHEMATICAL MODELS | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c55292 _d55292 |
||