00317nam a22001097a 4500020001500000082001700015100002600032245008200058260003000140300001600170700002100186  a8173917876  a371.33 YOG.1  aYogendra K. Sharma,    aEducational technology and management /cYogendra K. Sharma, Madhulika Sharma  aNew DelhibKanishkac2006  aV.1, 315 p.  aMadhulika Sharma