Hayes, Samuel P.
Measuring the results of development projects: a manual for the use of field workers / Samuel P. Hayes - Paris : UNESCO , 1961 - 100 p. : ill. ; 22 cm.
Includes bibliographical references and index.
Economic development
Community development
Research
338.89 / HAY
Measuring the results of development projects: a manual for the use of field workers / Samuel P. Hayes - Paris : UNESCO , 1961 - 100 p. : ill. ; 22 cm.
Includes bibliographical references and index.
Economic development
Community development
Research
338.89 / HAY