000			00338nam a2200133 4500
082			_a370 _bBULL.C
084			_2Colon Classification
100			_aBullough
245			_aCreating instructional materials / _cby Bullough
260			_bBell & Howell company publishers, _c1974.
300			_a260p. :
650			_aEducation
942			_cBK
999			_c682804 _d682804