Watt, William Montgomery
Islamic political thought the basic concepts
Edinburg University Press, 1980
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Hafstrom, John E.
Basic concepts in modern mathematics
Addison-Wesely, 1961
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Gemignani, Michael C.
Basic concepts of mathematics logic
Addison-Wesley, 1968
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Hopling, Charles K.
Basic psychiatric concepts in nursing
Lippincott , 1967
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Kyes, Joan
Basic psychiatric concepts in nursing
J.B. Lippincott , 1974
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