| 000 | 00339nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aUnesco Press | ||
| 020 | _a92-3-101242-8 | ||
| 942 | _cBK | ||
| 245 | _aA systems approach to teaching and learning procedures : a guide for educators in developing countries | ||
| 260 |
_aUnesco Press, Paris _c1975 |
||
| 082 | _a371.3 Unes | ||
| 300 | _a144 | ||
| 999 |
_c6140 _d6140 |
||