00270nam a2200097Ia 4500008004100000100002600041245003600067260004300103260000900146999001700155170620s9999    xx            000 0 und d  aSharma- R. A. (Hindi) 0aSamajik Vigyan Shikshan (Hindi)  bMeerut- International Publishing House  c2010  c25097d25097