000 00310nam a22001217a 4500
008 240227b |||||||| |||| 00| 0 eng d
020 _a812376037-X
100 _a C.N.R. Rao
245 _aRasayan Vigyan Ki Duniya (Hindi)
260 _aIndia
_bNational Book Trust
_c2019
300 _a240p.
942 _2udc
_cBK
999 _c41597
_d41597