000 00307nam a2200121Ia 4500
008 240806s9999||||xx |||||||||||||| ||und||
041 _aTamil
245 0 _aChemistry Unit 12 Teacher's Guide Grade 12 -13
260 _aMaharagama
_bNIE,
_c1996
300 _a17p.;
_c30cm
650 _aChemistry
942 _cTG
999 _c100834
_d100834