000 00445nam a2200145Ia 4500
008 180710s9999 xx 000 0 und d
020 _a139380
082 _a546
_bOPE
100 _aOPEN University of Sri Lanka
245 _aCourse of study leading to the degree of bachelor of science- level 4 PSU 113: i
260 _aSri Lanka
_bThe Open University of Sri Lanka
_c1988
300 _avi, 82 p.
650 _aInorganic chemistry
942 _cPR
999 _c60368
_d60368