000			00370nam a22001457a 4500
020			_a012077450-X
082			_a370 _bBAL
100			_aBall, Samuel
245			_aMotivation in education / _cedited by Samuel Ball
260			_aNew York : _bAcademic press, _c1977.
300			_a204p. :
650			_aEducational psychology
700			_aBall, Samuel ed.
942			_cBK
999			_c501117 _d501117