000			00303nam a2200133Ia 4500
008			220829s9999||||xx |||||||||||||| ||und||
020			_a9788176485586
082			_a375 _bSIN/M
100			_aY K Singh
245		0	_aMicro - Teaching
260			_aNew Delhi _bA P H _c2009
300			_a253
942			_cREF
999			_c12566 _d12566