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020 _c260
040 _aBED
082 _a510 MAN S
100 _aMANGAL, S.K.
_997
245 0 _aGANIT SHIKSHAN
260 _bARYA BOOK DEPOT
_aNEW DELHI
300 _a674p.
500 _a2530
942 _cBK
999 _c2530
_d2530