Cite
HARVARD Citation
Unknown (2000) A primer in longitudinal data analysis. [Online]. London : SAGE. Available from: http://access.bl.uk/ark:/81055/vdc_100025505079.0x000001
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Unknown (2000) A primer in longitudinal data analysis. [Online]. London : SAGE. Available from: http://access.bl.uk/ark:/81055/vdc_100025505079.0x000001