000			00336nam a2200145Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a81-7024-723-3
041			_aen
082			_a370.7
100			_aVENKATAIAH,N.
245		0	_aEducational Technology
260			_aNew Delhi _bA.P.H. Pub _c1996
300			_axx,234p.
942			_cSR
999			_c73838 _d73838