000			00425nam a2200157 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a370.72 _bMAS
245			_aMastery Learning l Theory and Practice
260			_aNew York : _bHolt Rinehart and Winston _c1971.
300			_a152p.; _c24cm
650		0	_aD.A. Perera Collection
650		0	_aEducation
700			_aBlock, James H. _eEd.;
942			_2ddc _cSR
999			_c95817 _d95817