000 00368nam a2200157Ia 4500
008 131111s9999 xx 000 0 und d
100 _aGhosh,P P
245 _aModern educational technology
250 _a1st ed.
260 _aJaipur
260 _bAavishkar
260 _c2005
300 _a256p.
650 _aEducational Technology
_aEducation
763 _a36214
999 _c57689
_d57689