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