000 00259nam a2200109Ia 4500
008 160921s9999 xx 000 0 und d
100 _aSEXENA N.R. SWAROOP,OBEROI
245 _aTECHNOLOGY OF TEACHING
260 _bR.LAL
_c2008
300 _a459
942 _cBK
999 _c31501
_d31501