000 00493nam a2200193Ia 4500
999 _c15209
_d15209
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008 211220b ||||| |||| 00| 0 eng d
020 _a9231016997
041 _aEN
082 _a303.4
_bWEI
_223
100 _aWEILENMANN, Alexander
245 _aEvaluation research and social change
_c/WEILENMANN, Alexander
260 _aParis
_bUNESCO
_c1980
300 _a104 p.
500 _aIncludes references.
509 _aNS
650 _aSocial change
942 _cR