Douglas, Bodie Eugene, 1924-
Concepts and models of inorganic chemistry
John Wiley & Sons, 1983
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Basic training for trainers: training basics
editor, Cat Sharpe Russo
[ASTD Press, ASTD Press], 2005
 eBooks
Peterson, John M.
Basic concepts of elementary mathematics
Prindle, Weber & Schmidt, 1971
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Lindsay, Robert Bruce
Basic concepts of physics
Van Nostrand Reinhold, 1971
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Malone, Leo J.
Basic concepts of chemistry
John Wiley & Sons, 1981
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