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| LEADER | 00442nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 150624b xxu||||| |||| 00| 0 eng d | ||
| 082 | |a 510.7 | ||
| 110 | |a UNESCO | ||
| 245 | |a New trends in mathematics teaching / |c UNESCO | ||
| 260 | |b Unesco, |c 1972. | ||
| 300 | |a 438P. | ||
| 490 | |a v1 | ||
| 942 | |c BK | ||
| 999 | |c 11951 |d 11951 | ||
| 952 | |0 0 |1 0 |4 0 |6 510_700000000000000_UNE_N |7 0 |9 11950 |a UL |b UL |c ST2 |d 1998-09-07 |l 0 |o 510.7 UNE/N |p 17964 |r 2012-10-27 |w 2012-10-27 |y BK | ||