000 00324nam a2200145Ia 4500
020 _a9231011456
082 _a371.9
_bUNC
245 _aCase studies in special education
260 _aParis:
_bUnesco,
_c1974.
300 _a195p.
500 _aHB
546 _aEng
650 _aSpecial education-Cuba
_947610
942 _cBK
999 _c19830
_d19830