000			00331nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c95
040			_aET
100			_aAGGARWAL R.B.
245		0	_aLESSON PLANNING IN COMPUTER SCIENCE
260			_bAPH PUBLICATION _aNEW DELHI
300			_a80
500			_a66207
942			_cBK
999			_c72170 _d72170