| 000 | 00381nam a2200157Ia 4500 | ||
|---|---|---|---|
| 003 | LDD | ||
| 008 | 181029s9999 xx 000 0 und d | ||
| 020 | _a8170403111 | ||
| 040 | _cLDD | ||
| 100 | _aRao, Usha | ||
| 245 | 0 |
_aEducational technology _cUsha Rao |
|
| 260 |
_aBombay _bHimalaya publishing house _c1991 |
||
| 300 | _a237p. | ||
| 901 |
_a1306 _b12-03-1998 |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c44741 _d44741 |
||