000 00322nam a22001337a 4500
999 _c2605
_d2605
003 OSt
008 170222b xxu||||| |||| 00| 0 eng d
082 _a370.150 SIN
100 _aSingh,Agya Jit
245 _aLearner,Learning & Cognition
260 _aPatiala
_bTwenty First Century Pub.
300 _a431p
942 _2ddc
_cGB