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 Mathematical Ecology of Plant Species Competition (Cambridge Studies in Mathematical Biology) by Anthony G. Pakes, R. A. Maller, 19900831
 The Art of Problem Solving Volume 1: The Basics AND Basics Solution Manual (2 Volume Set by Sandor Lehoczky, Richard Rusczyk, 2006
 USSR Mathematical Olympiads 19891992 (Enrichment Series, Volume 11) by Arkadii M. Slinko, 1997
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 Student Science Opportunities: Your Guide to Over 300 Exciting National Programs, Competitions, Internships, and Scholarships by Gail L. Grand, 19940302

 Adaption & Competition (Life Science in Depth)
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 Nuffield Science 1316: Competition and Predation: Tchrs'.Gde (Nuffield science 13 to 16) by Nuffield Foundation, 197908
 Collective Dynamics: Topics on Competition and Cooperation in the Biosciences: A Selection of Papers in the Proceedings of the BIOCOMP2007 International Conference (AIP Conference Proceedings) by L.M. Ricciardi, 20080716
 Handson learning sharpens math, science, tech skills.(Focus: Education, HR & Workforce Training): An article from: Mississippi Business Journal by C. Richard Cotton, 20070730
 American Regions Math League and ARML Power Contests 19952003 by Donald Barry, Thomas Kilkelly, 2004
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