Coad, Jane
Elsevier, 2005
Buku Teks SO
Patton, Kevin T.
Elsevier Mosby, 2013
Buku Teks SO
Martini, Frederic H.
Pearson, 2009
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Wilson, Kathleen J.W.
Churchill Livingstone , 1996
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Anthony, Catherine Parker
Mosby, 1975
Buku Teks SO