Cite
APA Citation
Longhi, S., & Nandi, A. (2014). A practical guide to using panel data. London : SAGE Publications Ltd. http://access.bl.uk/ark:/81055/vdc_100025342253.0x000001
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Longhi, S., & Nandi, A. (2014). A practical guide to using panel data. London : SAGE Publications Ltd. http://access.bl.uk/ark:/81055/vdc_100025342253.0x000001