Garud
McGraw-Hill, 1983
Buku Teks
Garud, G.N
McGraw-Hill, 1983
Buku Teks
Int. Business Machines Corporation, 1974
Buku Teks
Unggul Anggoro, author
Fakultas Teknik Universitas Indonesia, 2004
UI - Tesis (Membership)
Lasiecka, Irena, author
Society for Industrial and Applied Mathematics, 2002
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