00358nam a22001217a 450000500170000000800410001705000190005810000190007724500700009625000080016626000330017430000290020720260313150154.0260313b        |||||||| |||| 00| 0 eng d  aQA76.5.A7 2005  a Arora, Sumita  aInformatics Practices ;bA Textbook for Class XII /cSumita Arora  a4th  aNew DelhibGagan Kapurc2005  axvi, vii,832p, ill;bPbk