Saltman, Deborah
W.B. Saunders , 1987
Buku Teks
edited by John Munro
Churchill Livingstone, 1995
Buku Teks
edited by Graham Douglas, Fiona Nicol, Colin Robertson
Churchill Livingstone, 2009
Buku Teks
Iyer, K. Mohan
Springer, 2012
eBooks
Douglas, Graham
Elsevier, 2009
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