Southworth, Herman M.
Agricultural marketing for developing countries
Agricultural Development Council , [197.]
 Buku Teks
Bird, Richard M.
Taxing agricultural land in developing countries
Harvard University Press, 1974
 Buku Teks SO
Communication and change in the developing countries
East-West Center Press, 1967
 Buku Teks
Communication and change in the developing countries
East-West Center Press, 1967
 Buku Teks
Population and economic change in developing countries
edited by Richard A. Easterlin
University of Chicago Press, 1980
 Buku Teks SO