00270nam a2200109 a 450000500170000002000150001708200170003210000190004924500350006826000360010330000210013920251203111026.0  a8181432606  a891.434bKRI  aKrishna, Kumar  aSamkaleen kavita ka beej ganit  aNew DelhibVani Prakashanc2004  a107p.c22cm.bHB