TY  - GEN
AU  - Hayes Samuel P
ED  - Unesco
TI  - Evaluating development projects: a manual for the use of field workers 
T2  - Technology and society
AV  - HN29  
U1  - 309.22072 
PY  - 1966///, c1959]
CY  - [Paris]
PB  - Unesco
KW  - Community development
KW  - Research
N1  - First ed. published in 1959 under title: Measuring the results of development projects; Bibliography: p. 112-116
ER  -