Cite
HARVARD Citation
Unknown (2010) More sideways arithmetic from Wayside School : more than 50 brainteasing maths puzzles. [Online]. London : Bloomsbury. Available from: http://access.bl.uk/ark:/81055/vdc_100037758224.0x000001
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Unknown (2010) More sideways arithmetic from Wayside School : more than 50 brainteasing maths puzzles. [Online]. London : Bloomsbury. Available from: http://access.bl.uk/ark:/81055/vdc_100037758224.0x000001