edited by George A. Freedman
Elsevier, 2012
Buku Teks
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Wiley Blackwell, 2010
Buku Teks
Aschheim, Kenneth W.
Elsevier, 2015
Buku Teks
Terry, Douglas A.
Quintessence Publishing Co, Inc, 2013
Buku Referensi
El Askary, Abd El Salam
Blackwell Munksgaard, 2007
Buku Teks