| 000 | 00608nam a2200193Ia 4500 | ||
|---|---|---|---|
| 005 | 20250508153404.0 | ||
| 008 | 008 250505s9999 xx 000 0 eng d | ||
| 037 | _aBooks to be hide in OPAC | ||
| 040 | _aFEDL _beng _cFEDL | ||
| 041 | _aeng _2eng | ||
| 084 | _a016.0014, UNI _qFEDL | ||
| 245 | 0 | _aResearch problems in mathematics education | |
| 245 | 0 | _cU. S. Department of Health, Education, and Welfare | |
| 260 | _aWashington, USA _bU.S. Government Printing Office _c1960 | ||
| 300 | _avii,130p. | ||
| 650 | _aEducation | ||
| 942 | _cHB _h016.0014, UNI | ||
| 999 | _c1342497 _d1342497 | ||