000			00369nam a2200133 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a371.39442 _bFOU
245			_aFour Case Studies Programed Instruction
260			_aLondon: _bThe fund for the advancement of Education, _c1964.
300			_a119 p.; _c23 cm
650		0	_aEducation
942			_2ddc _cLM
999			_c139925 _d139925