Evaluating development projects a manual for the use of field workers

Detalles Bibliográficos
Autor Principal:	Hayes, Samuel Perkins 1910-
Autor Corporativo:	United Nations Educational, Scientific and Cultural Organization
Formato:	Libro
Idioma:	English
Publicado:	[Paris] Unesco [1966].
Edición:	2nd ed., rev.
Series:	Technology and society
Subjects:	Community development > Research.