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020 _a9788174825278
_c845.00
040 _aMAIN
041 _aEnglish
082 _bTOM
100 _aTomar, Surekha
245 0 _aCSIR-UGC-NET/JRF/SET; Physical Science NTA
260 _bUpkar Prakashan
_aAgra
300 _a912
650 _aCompetitive Books
942 _cCB
999 _c48743
_d48743