Kice, John L., author
New York Macmillan Publishing 1974,
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Wuncsh, K.H.
"Berlin :VEB Deutscher Verlag ,1973",
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Nur Franisal, author
Bina sumber Daya MIPA, 2004
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Hill, John William, 1933-, author
Upper Saddle RIver Prentice Hall 1997,
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Wild, F.
At The University Press , 1953
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