000			00287nam a22001217a 4500
999			_c159035 _d159035
082			_a _b
245			_aPreventing difficulties in learning/ _cby Tony Booth (ed.).
260			_aGhaziabad: _bBasil, _c1990.
300			_a418p.
650			_a
700			_aTony Booth (ed.)
942			_cBK