000			00315nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c900
040			_aET
100			_aK. AGGARWAL
245		0	_aEDU. FOR NEW GENERATION
260			_bPRAGUN PUB. _aNEW DELHI
300			_a397
500			_a19904
942			_cBK
999			_c26123 _d26123