?url_ver=Z39.88-2004&rft_id=Conference+Number&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N+P&rft.au=Singh%2C+N+P&rft.aulast=Singh&rft.atitle=Labour+Migration+in+Indo-Gangetic+Plains%3A+Determinants+and+Impacts+on+Socio-economic+Welfare&rft.title=Agricultural+Economics+Research+Review&rft.issn=0974-0279&rft.date=2011&rft.volume=24&rft.pages=449-458&rft.genre=article