Parkinson, Joy
Churchill Livingstone, 2004
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Rayner Hardjono
Gramedia Pustaka Utama, 2000
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Erika Cudworth, Stephen Hobden and Emilian Kavalski, editors
Routledge, Taylor & Francis Group, 2018
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Smarandache, Florentin
Xiquan, 2004
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Chambers, Iain
Routledge, 1990
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