000 00392nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a139561
082 _a511.8
_bOPE
100 _aOPEN University of Sri Lanka
245 _aMiscellaneous models: mathematical modelling III, MAU 1107/ AMU 2183
260 _aNugegoda
_bThe Open University of Sri Lanka
_c0
300 _a112 p.
942 _cPR
999 _c71681
_d71681