000 00307nam a2200109Ia 4500
001 82865
008 170722s9999 xx 000 0 und d
245 _aDecision analysis in education by A R Thorne and C W Neale unit II /
260 _bOpen University Press ,
_c1976.
300 _a68 p.
_c29cms
942 _cGEN
999 _c94875
_d94875