@incollection{, F4B6C59F35C54A8D78984A497FCE670D , author={{Mrs. ManishaSharma} and {Guru Nanak Dev University}}, journal={{Global Journal of Computer Science and Technology}}, journal={{GJCST}}0975-41720975-435010.34257/gjcst, address={Cambridge, United States}, publisher={Global Journals Organisation}1731114 } @book{b0, , title={{The Theory and Practice of Online Learning Athabasca AB}} , author={{ TAnderson }} , year={2008} , publisher={Athabasca University Press} } @book{b1, , title={{Technology, e-Learning and Distance Education London}} , author={{ AWBates }} , year={2005} , publisher={Routledge} , address={New York} } @incollection{b2, , title={{Understanding Web 2.0 and Its Implications for e}} , author={{ TBates }} , booktitle={{Web 2.0-Based E-Learning Hershey NY: Information Science Reference}} , editor={ MLee CMccoughlin } , year={2011} } @incollection{b3, , title={{A model for selecting educational technologies to improve student learning}} , author={{ SLambert } and { RWilliams }} , booktitle={{HERDSA Annual International Conference}} Melbourne, Australia , year={1999. July} } @incollection{b4, , title={{Educational Technologies: A Classification and}} , author={{ CNel } and { CDreyer } and { Carstens }} , journal={{Evaluation Journal for Language}} 35 4 , year={2001} }