000 00282nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aBhatt, B.D.
245 0 _aEducational Technology : Concept And Technique
260 _aNew Delhi
_bKanishka
_c2007
300 _a384p.
942 _cBK
999 _c14481
_d14481