Chomitz, Kenneth M.
Boston Institute for Economic Development Boston University , 1990
Buku Teks
Miller, David M., author
John Wiley & Sons, 1990
Buku Teks
McGraw-Hill, 1980
Buku Teks
William Wrenall, Quarterman Lee, editors in chief
McGraw-Hill, 1994
Buku Referensi
Rolstadas, Asbjorn, author
Springer, 2012
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