Cite
HARVARD Citation
Sachar, L. (2010) Sideways arithmetic from Wayside School : more than 50 mindboggling maths puzzles!. [Online]. London : Bloomsbury. Available from: http://access.bl.uk/ark:/81055/vdc_100037758272.0x000001
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Sachar, L. (2010) Sideways arithmetic from Wayside School : more than 50 mindboggling maths puzzles!. [Online]. London : Bloomsbury. Available from: http://access.bl.uk/ark:/81055/vdc_100037758272.0x000001