00591nam a2200181Ia 4500008004100000020001500041082001600056100001700072245004200089260004700131300000800178650001400186650002000200653002700220942001200247999001500259952013500274170901s2005    xx            000 0 und d  a8176488364  a371.3bS48I  aSingh, Y. K. 0aInstructional Technology in Education  aNew DelhibA. P. H. Publishing Corp.c2005  a263  aEducation  aSocial sciences  aEducational technology  2ddccBK  c4230d4230  00102ddc4070aRAUbRAUd2017-10-18eIndus Valley Publications, Jaipurg595.00l0o371.3 S48Ip54518r2017-10-18w2006-03-31yBK