| 000 | 00480nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 190516s9999 xx 000 0 und d | ||
| 100 |
_aMathur, Ladli Mohan _915681 |
||
| 245 | 0 | _aPlanning Producing and Presenting Inexpensive Instructional Materals and Devices | |
| 260 |
_bIndian National Teaching Aids Research & Servics _c1978 _aNew Delhi |
||
| 300 | _a234 | ||
| 600 |
_tPure Science _9124048 |
||
| 650 |
_aPure Science _9124048 |
||
| 942 | _cBK | ||
| 999 |
_c115556 _d115556 |
||