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[8] Atkins WJ, Edwards JD, King DJ, O'Halloran PJ,and Taylor PJ,
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[9] Atkins WJ, Munro JE, and Taylor PJ,Australian Mathematics
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[10] Atkins WJ, Taylor PJ, Australian Mathematics Competition
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[11] Batterson J, Competition Math For Middle School, AoPSInc,
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[12] Canadian Mathematics Competitions, Past Contest Problems
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[13] LehoczkySandor, and Rusczyk Richard, The Art of Problem
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[14] LehoczkySandor, and Rusczyk Richard, The Art of Problem
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[15] Mu Alpha Theta (MAΘ), A Great Collection of High School
Problems and Solutions From Past Contests (1995-2011)

[16] O'Halloran PJ, Pollard GH, and Taylor PJ, Ausralian
Mathematics Competition Book 2 (1985-1991), AMT
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[17] The UK Mathematics Trust, Ten Years of Mathematical
Challenges (1997-2006), The University of Leeds, Leeds
LS29JT, 2010

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