Munro, Barbara Hazard
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Buku Teks SO
Munro, Barbara Hazard
Lippincott Williams & Wilkin , 2005
Buku Teks SO
Kellar, Stacey Plichta
Wolters Kluwer Health/&Lippincott Williams & Wilkins, 2013
Buku Teks
Armitage, P.
Blackwell Scientific Publication, 1985
Buku Teks
Fisher, Ronald A.
Hafner Press, 1970
Buku Teks