Bhaduri, Amit
London Academic Press , 1983
Buku Teks
Clayton, Eric
Macmillan, 1983
Buku Teks
Report of a SEADAG Rural Development Seminar Meeting, 1969
Buku Teks
Mellor, John W.
Cornell University Press, 1966
Buku Teks
Millikan, Max F.
Little, Brown , 1967
Buku Teks