000 00305pam a2200145 a 4500
020 _c
041 _aeng
082 _bDAR
100 _aDarpan Pratiyogita .
245 _aTeaching and research
_hTextual Documents
250 _a2011.
260 _aAgra:
_bUpkar.
300 _a295 pg .
930 _a1741
999 _c78665
_d78665