000 | 00324nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 220119s9999||||xx |||||||||||||| ||und|| | ||
040 | _cIAB | ||
082 | _a371.146 LEA | ||
100 | _aUnesco | ||
245 | 0 | _aLearning To Change; Report Of A Regional Workshop On Sy | |
260 |
_bUnesco _c1979 |
||
300 | _a121 P, | ||
942 | _cBOOK | ||
999 |
_c45061 _d45061 |