| 000 | 00419cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1978 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP62x54 In2w | ||
| 245 |
_aReport of the working group on educational technology _cby Ministry of Education and Social Welfare, India |
||
| 260 |
_aNew Delhi _bMinistry of Education and Social Welfare _c1978 |
||
| 300 | _a145p. | ||
| 700 | _aIndia. Ministry of Education and Social Welfare | ||
| 999 |
_c494891 _d494891 |
||