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John Wiley & Sons, 2002
Buku Teks SO
S. Perdana Putra Mariatma
Fakultas Teknik Universitas Indonesia, 1994
UI - Skripsi Membership
Butler, Robert Brown
McGraw-Hill, 2002
Buku Teks
Lushington, Nolan
Faced Publishing, 2008
Buku Teks
Thompson, Godfrey
The Architectural, 1973
Buku Teks