By Langley, Paul. Oxford, United Kingdom : Oxford University Press, 2016 . xiv, 220 p. ; 24 cm.. 9780198778882
]]>By Bhide, Amar,. London ; | New York : Oxford University Press, 2010 . x, 353 p ; 25 cm.. 9780199756070 (trade : alk. paper) | 0199756074
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