Douglas Downing Ph.D. (Downing Ph.D., Douglas)

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• 
  Algebra, the Easy Way

  ISBN 9780812027167 (978-0-8120-2716-7)
  Softcover, Barron's Educational Series, 1984

  
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  Algebra, the Easy Way (Algebra the Easy Way, 2nd Ed)

  ISBN 9780812041941 (978-0-8120-4194-1)
  Softcover, Barrons Educational Series Inc, 1989

  
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• 
  Business Statistics (Barron's Business Review Series)

  ISBN 9780812096583 (978-0-8120-9658-3)
  Softcover, Barrons Educational Series Inc, 1997

  
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• 
  Calculus by Discovery

  ISBN 9780812054514 (978-0-8120-5451-4)
  Hardcover, B E S Pub Co, 1982

  
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• 
  Computer Programming in Pascal the Easy Way

  ISBN 9780812027990 (978-0-8120-2799-0)
  Softcover, Barrons Educational Series Inc, 1984

  
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• 
  Dictionary of Computer and Internet Terms (Barron's Business Guides)

  ISBN 9780812098112 (978-0-8120-9811-2)
  Softcover, Barron's Educational Series, Incorporated, 1996

  
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  Dictionary of Computer and Internet Terms (Barron's Business Guides)

  ISBN 9780764121661 (978-0-7641-2166-1)
  Softcover, Barron''s Educational Series, Inc., 2003

  
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  Dictionary of Computer Terms (Barron's Business Guides)

  ISBN 9780812090239 (978-0-8120-9023-9)
  Softcover, Barron's Educational Series, I, 1995

  
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• 
  Quantitative Methods (Business Review Series)

  ISBN 9780812039474 (978-0-8120-3947-4)
  Softcover, B E S Pub Co, 1988

  
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• 
  Spanish for Law Enforcement

  ISBN 9780764101311 (978-0-7641-0131-1)
  Barrons Educational Series Inc, 1999

  
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• 
  Trigonometry: The Easy Way (Trigonometry Made Easy)

  ISBN 9781435295223 (978-1-4352-9522-3)
  2008

  
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