| 000 | 00365cam a22000977a 4500 | ||
|---|---|---|---|
| 008 | 180718b1974 xxu||||| |||| 00| 0 eng d | ||
| 245 |
_aIndian standard guide for preparation and production of textbooks _cby Indian Standards Institution, India |
||
| 260 |
_aNew Delhi _bIndian Standards Institution _c1974 |
||
| 300 | _a12p. | ||
| 700 | _aIndia.Indian Standards Institution | ||
| 999 |
_c498217 _d498217 |
||