000			00289nam a22001217a 4500
999			_c158751 _d158751
082			_a _b
245			_aThe nature of educational technology/ _cby V.K Rao (ed.).
260			_aNew Delhi: _bCommonwealth, _c1992.
300			_a340p.
650			_a
700			_aV.K Rao (ed.)
942			_cBK