Business, trade and economic progress in cambodia Shri H.M. Mahatni
Artikel Jurnal
Beard, Charles A.
The Making of American civilization
Macmillan, 1948
Buku Teks
Moulton, Harold G.
Income and economic progress
Brookings Institution, 1935
Buku Teks
Economic progress and social welfare
edited by Leonard H. Goodman
Columbia University Press, 1966
Buku Teks
Readings in business cycle theory / selected by a Committee of the American economic association
George Allen & Unwin Ltd, 1951
Buku Teks