Providing safe drinking water in small systems : technology, operations, and economics
Lewis Publishers, 1999
 Buku Teks
Theil, Henri
Operations research and quantitative economics = Voorspellen en beslissen / an elementary introduction [by] Henri Theil, John C. G. Boot [and] Teun Kloek. Translated from the Dutch
McGraw-Hill Book Co. , 1965
 Buku Teks
Uffelen, Chris van
Airport architecture
Braun Publish, 2012
 Buku Referensi
Samuelson, Paul Anthony, 1915-2009
Economics
McGraw-Hill, 2010
 Buku Teks
Sloman, John
Economics
Harvester Wheatsheaf, 1994
 Buku Teks