000 00445nam a22001697a 4500
003 OSt
005 20221001144540.0
008 221001b |||||||| |||| 00| 0 eng d
020 _a9788131307618
040 _ckul
082 _a370.9
_bSIN.P
084 _2Colon Classification
100 _aSingh, Y K
245 _aPrimary and secondary education
_cY K Singh
260 _aNew Delhi:
_bA P H publishing corporation;
_c2015
942 _cBK
_2ddc
999 _c325971
_d325971