338.906
I88P
               Proceedings of the international congress for the study of the problem of underdeveloped areas report of the Italian Commission of Studies on Italian underdeveloped areaseconomic sociological demographic labour health and sanitation town planning juridical and administrative aspects - Milano : Dott A Giuffre, 1954.
               v.1 (xi, 822p.)
17931
                Subjects: Economic surveys; Economic development; Social surveys; Demographic surveys.