Hayes, Samuel Perkins, 1910-
Measuring the results of development projects : a manual for the use of field workers / prepared for UNESCO by Samuel P. Hayes. - Paris : Unesco, 1959. - 100 p. ; 22 cm. - Monographs in the applied social sciences .
Bibliography: p. 98-100.
Community development--Research.
Economic development projects--Evaluation.--Developing countries
330 / HAM
Measuring the results of development projects : a manual for the use of field workers / prepared for UNESCO by Samuel P. Hayes. - Paris : Unesco, 1959. - 100 p. ; 22 cm. - Monographs in the applied social sciences .
Bibliography: p. 98-100.
Community development--Research.
Economic development projects--Evaluation.--Developing countries
330 / HAM