00390nam a2200121Ia 450000500170000000800410001702000220005805000250008010000160010524500720012126000460019365000290023920251229085854.0251229s9999    xx            000 0 und d  a978-81-7169-719-9  aLB 15 .E531 2008 V.4  aSharma,R.S. 0aEncyclopaedia of Educationb Academic environment Vol 4. cS Sharma  aNew delhib Commonwealth publishers; 2008  aEducation-Encyclopaedias