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Buku Teks SO
Heldman
PAU-ITB , 1988
Buku Teks SO
Johnson, Curtis D., 1939-
Prentice Hall Career and Technology, 1993
Buku Teks SO
Potvin, Jean
Reston Publishing, 1985
Buku Teks SO
The Institution of Chemical Engineers
Australia: ICE, 1982
Buku Teks