Murtagh, John, 1936- , author
McGraw-Hill Medica, 2011
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Oxford University Press, 1997
Buku Referensi
Edworthy, Niall, author
Transworls Publishers, 2010
Buku Referensi
Murtagh, John, author
McGraw-Hill Education, 2013
Buku Teks
Schaufeli, Wilmar, 1953-, author
Routledge, 1998
Buku Teks