| 000 | 00337nam a2200109Ia 4500 | ||
|---|---|---|---|
| 001 | 83291 | ||
| 008 | 170722s9999 xx 000 0 und d | ||
| 100 | _aSukumaran Nair, R. | ||
| 245 | _aInvestigation into the comparative efficiency of ordinary classrrom teaching with 16mm Projector(audio-visual aid) in ne / | ||
| 260 | _c1961 | ||
| 942 | _cGEN | ||
| 999 |
_c223 _d223 |
||