| 000 | 00311 a2200121 4500 | ||
|---|---|---|---|
| 080 |
_a523.1 _bB 575 U |
||
| 245 | 1 |
_aUniverse _cby P.L. Bhatnagar |
|
| 260 |
_bNational Council of Educational Research and Training _c1967 |
||
| 650 | _aUniverse | ||
| 100 | 1 |
_aBhatnagar, P.L. _d |
|
| 300 | _a200 p. | ||
| 901 | _a152336 | ||
| 999 |
_c66736 _d66736 |
||