000 00419nam a22001697a 4500
003 OSt
005 20240415122323.0
008 240415b |||||||| |||| 00| 0 eng d
040 _cDDC
082 _a371.33
_bSHA-E
100 _aSharma, R.A.
245 _aEducational Technology
_h(English)
260 _aMeerut, U.P.
_bR.Lall Book Depot
300 _a400p.
650 _aEducational Technology
942 _2ddc
_cBOOK
999 _c12130
_d12130