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| 999 |
_c167812 _d167811 |
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| 005 | 20230127085056.0 | ||
| 008 | 221122b ||||| |||| 00| 0 eng d | ||
| 041 | _aEN | ||
| 082 |
_223 _a378.5489 _bUNI |
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| 245 | _aStudent hand book | ||
| 260 |
_aThirunelvely _bUniversity of Jaffna. _c1987 |
||
| 300 | _a114 p. | ||
| 509 | _aNS | ||
| 942 | _cPR | ||