| 000 | 00405nam a2200145 4500 | ||
|---|---|---|---|
| 245 |
_aEducational technology _cUsha Rao |
||
| 100 | _aRao, Usha | ||
| 260 |
_aBombay _bHimalaya Publishing House _c1991 |
||
| 300 | _a[8],237p.:ill.; 22cm. | ||
| 020 | _a8170403111 | ||
| 082 |
_a371.3028 _bRAO |
||
| 650 | _aEducational Technology | ||
| 650 | _aInstitutional Technology | ||
| 650 | _aTeaching-Aids and devices | ||
| 999 |
_c50313 _d50313 |
||