Hayes, Samuel P.
Evaluating development projects: a manual for the use of field workers / Samuel P. Hayes - Paris : UNESCO ,. 1959 - 116 p. : ill. ; 22 cm. - Unesco. Technology and society series .
Includes bibliographical references and index.
Economic development
Community development
Research
338.89 / HAY-2
Evaluating development projects: a manual for the use of field workers / Samuel P. Hayes - Paris : UNESCO ,. 1959 - 116 p. : ill. ; 22 cm. - Unesco. Technology and society series .
Includes bibliographical references and index.
Economic development
Community development
Research
338.89 / HAY-2