000			00322nam a2200133Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_a1.3 _bCHA
100			_aChand Tara
245		0	_aGeneral study manaul
260			_aNew Delhi : _bTata Macgrow Hill, _c2021.
350			_a435
650			_aCommunication
999			_c163029 _d163029