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By Brown, Doug, Hunter, Jim, Hodge, J. L., Robertson, A.G., Howat, Robin D., Mullan, Edward C. K., Nisbet, Ken
By Hunter, Jim, Brown, Doug, Hodge, J. L., Robertson, A.G., Howat, Robin D., Mullan, Edward C. K., Nisbet, Ken
By Mathematics in Action Group
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By Brown, Doug, Howat, Robin D., Mullan, Edward C. K., Nisbet, Ken
By Reid, Jessie, Donaldson, Margaret
By Johnson, Keith
By Murra, G., Howat, Robin D., Mullan, Edward C. K., Murray, Ruth, Thomson, J.
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By Duberley, Susan
By Cholij, Mark
By Sanger, E.
By Lister, Ted, Renshaw, Janet
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