00434nam a2200157Ia 450000100060000000800410000602000180004704000130006508200200007810000200009824500570011826000560017530000110023154600070024265000270024941989140424s9999    xx            000 0 und d  a9788130909585  cPK-LaUMT  a 371.334bMIS-U  aMishra, Sanjaya  aUnderstanding learning technologiescMishra, Sanjaya  aNew Delhi,India:bViva Books Private Limited,c2008  a151 p.  aEN  aEducational technology