000			00321nam a2200133Ia 4500
008			160316s1981 xxu||||| |||| 00| 0 eng d
020			_a
100			_aConner,Ross F.
245			_aMethodological Advances In Evaluation Research
250			_a
260			_aLONDON _bSAGE PUBLICATIONS _c1981
300			_a159
700			_a _a
999			_c3672 _d3672