000 00513cam a22001337a 4500
008 180718b1959 xxu||||| |||| 00| 0 eng d
082 _aB136037 Un3
100 _aHayes, Samuel P.
245 _aEvaluating development projects: a manual for the use of field workers
_cby Samuel P. Hayes
260 _aParis
_bUnited Nations Educational, Scientific and Cultural Organization
_c1959
300 _a116p.
440 _aTechnology and Society
700 _aUnited Nations Educational, Scientific and Cultural Organization
999 _c489391
_d489391