00325pam a2200109a 44500008004100000020002700041082001700068100001900085245005600104260004500160300001000205230405s2014    xxu||||| |||| 00| 0 eng d  a9789381390276cRs. 425  a371.307bKUM  aKumari, Neelam  aText Book of Communication & Educational Technology  aJalandhar CitybS. Vikas & Companyc2014  a332 p