?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Avinash+Kumar.&rft.au=Singh%2C+Avinash+Kumar.&rft.aulast=Singh&rft.degree=Doctoral&rft.tpages=339&rft.title=Drop-out+from+primary+schools+in+tribal+India+%3A+a+case+study+of+the+Ho+in+Parampancho%2C+West+Singhbhum.&rft.inst=Institute+of+Education%2C+University+of+London&rft.date=1994