?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Kiran&rft.au=Yadav%2C+Kiran&rft.aulast=Yadav&rft.inst=Govind+Ballabh+Pant+University+of+Agriculture+%26+Technology&rft.date=2011&rft.title=Impact+Assessment+of+ICT+%E2%80%93+enabled+Knowledge+Sharing+Agri-portals+in+Uttarakhand&rft.degree=PHD