000			00342nam a2200145Ia 4500
005			20250612122302.0
008			250601s1996 xx 000 0 eng d
020			_a8170247233
100			_aN.Venkataiah
245		0	_aEducation Technology
250			_aFirst Ed.
260			_aNew delhi _bA.P.H Pub. _c1996
300			_a234
942			_2ddc _cBK
999			_c2867 _d2867