| 000 | 00323nam a22000977a 4500 | ||
|---|---|---|---|
| 082 |
_a373 _bNCE.S |
||
| 245 | _aProceedings of the fourth conference of secretaries of state boards of secondary education / | ||
| 260 |
_aNew Delhi : _bNational council of educational research & taring, _c1961. |
||
| 300 | _a146p. : | ||
| 942 | _cBK | ||
| 999 |
_c632120 _d632120 |
||