000 | 00343nam a2200133 a 4500 | ||
---|---|---|---|
005 | 20210219152801.0 | ||
008 | 991125s1980 usa 000 0 eng u | ||
022 | _a0889-5643 | ||
035 | _aUPN01000061097 | ||
245 | 0 | 0 | _aMONTESSORI OBSERVER |
260 |
_aUSA : _bInternational Montessori Society, _c1980 |
||
310 | _aBimestral | ||
905 | _aRevista | ||
999 |
_c60757 _d60757 |