000 00248nam a22001217a 4500
999 _c3204
_d3204
020 _aGP-001287
082 _a10447
100 _aR. L. Varshney
245 _aAn Introductory Text Book
260 _aDhaka
_bBoc Ltd,
300 _a413
942 _cBK
_06