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003 OSt
005 20220912151730.0
006 a|||||r|||| 00| 0
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024 _a63681
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aA0aX:275z7, L6
100 _aNayar B K Ed.
245 0 _aScience and development
260 _aBombay
_bOrient Longman
_c1976
300 _a226p.
_ccm.
650 _aScience
942 _hA0aX:275z7, L6
_cTEXL
_2CC
999 _c74098
_d74098