000 00555nam a2200205Ia 4500
001 55279
003 DO-SdBB
005 20210921100238.0
008 a210823t2003 xx ||||er|||||||| 0|Sin Asignar d
035 _a(DO-SdBB)55279
040 _aDO-SdBB
_bspa
_cDO-SdBB
041 _aSin Asignar
082 0 4 _a370
_bW245c
100 1 _aWandt, Edwin
245 2 _aA Cross-Section of Educationl Research
260 _aNew York, Estados Unidos de América :
_bDavid McKay Company, Inc.,
_c1965
300 _a301p.
650 4 _aEducación
942 _2ddc
_cBK
999 _c87758
_d87758