Oxford, England : Oxford University Press
Majalah, Jurnal, Buletin
Buku Teks
Hannah, John, author
Longman Scientific & Technical, 1993
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Hammond, P. (Percy), author
Pergamon Press, 1985
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Deborah Hughes-Hallett ... [et al.], editor; Otto K. Brescher, Eric Connally, Richard D. Porter., assistance
John and Wiley, 2011
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