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| 999 |
_c78899 _d78899 |
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| 005 | 20210716113152.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a139630 | ||
| 041 | _aEN | ||
| 082 |
_a954.93 _bOPE _223 |
||
| 100 | _aOPEN University of Sri Lanka | ||
| 245 | _aSocial Science: fundamental programm Level-1 | ||
| 260 |
_aNugegoda _bOpen University of Sri Lanka _c1991 |
||
| 300 | _a3V(v.1-103: v.2-111:v.3-103) p. | ||
| 509 | _aNS | ||
| 942 | _cR | ||