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| 008 | 220923b |||||||| |||| 00| 0 eng d | ||
| 037 | _cGeneral Book | ||
| 040 |
_aRTL _cRTL _beng |
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| 041 |
_2eng _aeng |
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| 082 | _aA.49G.N8, N0 | ||
| 100 |
_aRahman A _9210418 |
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| 245 | 0 | _aScience and technology in India Pakistan Bangladesh | |
| 260 |
_aEssex _bLongman Group _c1990 |
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| 300 |
_axviii,259p _ccm. |
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| 490 | _aLongman Guide to World Science and Technology 13 | ||
| 500 | _aBibliography chapterwise; Appendix:p245-62 | ||
| 650 | _aNatural Science | ||
| 942 |
_hA.49G.N8, N0 _cGB _2CC |
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_c548053 _d548053 |
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