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| 020 | _a9555530025 | ||
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_a300.72 _bRAT |
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| 100 | _aRathnapala, N | ||
| 245 | 0 | _aSamaja viddya paryeshana muuladarma | |
| 250 | _a2nd | ||
| 260 |
_aVarakapola _bArya Publishers _c1987 |
||
| 300 | _a231 p ., | ||
| 650 | _aSocial Science | ||
| 650 | _aResearch | ||
| 942 | _cL | ||
| 999 |
_c1008 _d1008 |
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