000			00321nam a2200133Ia 4500
082			_a375.001 _bTYB
100			_aRalph W. Tyler _9196656
245			_aBasic principles of curriculum and instruction
260			_aChicago: _bUniversity of Chicago, _c1967.
300			_a83p.
500			_aHB
546			_aeng
942			_cBK
999			_c24744 _d24744