000			00294nam a22001097a 4500
082			_a370.1 _bHOP.R
100			_aHopper, Earl
245			_aReading in the theory of educational systems / _cby Earl Hopper
260			_aLondon : _bHutchinson university, _c1971.
300			_a336p. :
942			_cBK
999			_c631350 _d631350