000 00341nam a2200133Ia 4500
008 200208s9999 xx 000 0 und d
082 _a371.9044 CBSE XI
245 0 _aCBSE XI Chemistry Non metals 2: Computer based tutorial
260 _aChennai
260 _bPentamedia
260 _c2000
650 _aChemistry- CBSE XI
942 _cCD
999 _c155594
_d155594