Richardson, Beth
Elsevier, 2006
Buku Teks
Saunders, 2004
Buku Teks
Chaterine E. Burns, Nancy Barber, Margaret A. Brady, Ardys M. Dunn
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Buku Referensi
Johnson, Walter H.
Wiley blackwell, 2014
Buku Teks
Artman, Michael, 1952-
McGraw-Hill, 2017
Buku Teks