| 000 | 00350nam a22001457a 4500 | ||
|---|---|---|---|
| 020 | _a81-7493-022-1 | ||
| 082 |
_a370 _bUMA/E N1 |
||
| 100 |
_aUma Rao _9172945 |
||
| 245 | _aEducational Technology | ||
| 250 | _a1st | ||
| 260 |
_aBombay; _bHimalaya Publishing House; _c1991 |
||
| 300 | _a237p. | ||
| 650 |
_aEnglish; Education _9319267 |
||
| 942 | _cBK | ||
| 999 |
_c427700 _d427700 |
||