TY  - BOOK
AU  - Hayes,Samuel P.
ED  - United Nations Educational, Scientific and Cultural Organization,
TI  - Evaluating development projects: a manual for the use of field workers 
U1  - 301.24 
PY  - 1966///
CY  - Paris
PB  - UNESCO
KW  - Community development
KW  - Research
N1  - The series formerly entitled 'Tensions and technology'; Includes bibliographical references and index
ER  -