edited by G. Gordon Schulmeyer and James I. McManus
Van Nostrand Reinhold, 1992
Buku Referensi
Cho, Chin-Kuei
John Wiley , 1987
Buku Teks SO
O`Regan, Gerard
Springer, 2014
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Dyer, Michael
John Wiley & Sons, 1992
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Ince, D. (Darrel)
McGraw-Hill, 1995
Buku Teks SO