000			00357nam a2200133Ia 4500
008			211204s9999||||xx |||||||||||||| ||und||
020			_a9789390595099
100			_aVati, Jogindra _9135
245		0	_aCommunication and education technology
260			_aDelhi _bJaypee Brothers _c2022
300			_a323p.
650			_aEducation and technology _9136
942			_cGB
999			_c611 _d611