000 00258nam a2200109Ia 4500
008 160921s9999 xx 000 0 und d
100 _aBHATNAGAR A.B,BHATNA.
245 _aPSYCHOLOGY OF TEACHING &LEARNING
260 _bR.LAL
300 _a611
942 _cBK
999 _c31507
_d31507