000 | 00401nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 180710s9999 xx 000 0 und d | ||
020 | _a123671 | ||
082 |
_a547 _bOPE |
||
100 | _aOPEN University of Sri lanka | ||
245 | _aCourse of study leading to the degree of bachelor of science level 4 PSU 2114: O | ||
260 |
_aNugegoda _bOpen University of Sri Lanka _c1986 |
||
300 | _a161 p. | ||
942 | _cR | ||
999 |
_c60374 _d60374 |