Cite
HARVARD Citation
Unknown (1996) Categorical variables in developmental research : methods of analysis. [Online]. San Diego : Academic Press. Available from: http://access.bl.uk/ark:/81055/vdc_100026153380.0x000001
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Unknown (1996) Categorical variables in developmental research : methods of analysis. [Online]. San Diego : Academic Press. Available from: http://access.bl.uk/ark:/81055/vdc_100026153380.0x000001