000 00544nam a2200181Ia 4500
999 _c500
_d500
005 20220105150021.0
008 180712s9999 xx 000 0 und d
020 _a9552306035
041 _aEN
082 _a540
_bOPE
_223
100 _aOPEN University of Sri Lanka
245 2 _a A course of study leading to the degree fo bachelor of science level 3 CHU 1221: chemistry-part 2, bonding in chemistry /
260 _aNugegoda
_bThe Open University of Sri Lanka
_c1995
300 _a136 p.
509 _aNS
650 _aChemsitry
942 _cR