000 00470nam a2200169Ia 4500
999 _c29819
_d29819
005 20221215121204.0
008 180712s9999 xx 000 0 und d
020 _a9789552312182
082 _a378.5493
_bOPE
_223
100 _aOpen University of Sri Lanka
245 _aOPEN University of Sri Lanka 1980-2010
260 _aNawala
_bOpen University of Sri Lanka
_c2010
300 _aii, 94 p.
509 _aNS
650 _aHigher Education - Sri Lanka
942 _cPR