Lightman, Alan
Kepustakaan Poluler Gramedia, 2015
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Mustafa Mahmud
Al-Hidayah, 1981
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Lightman, Alan
Kepustakaan Populer Gramedia, 2004
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Universitas Indonesia, 2005
UI - Skripsi (Membership)
Bueche, Frederick J.
"New York: McGraw-Hill, 1961",
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