Teaching and learning mathematics in the 1990's :  1990 yearbook / 
editors, Thomas J. Cooney, Christian R. Hirsch. 
 - Reston, Va. :  The National Council of Teachers of Mathematics,  c1990. 
 - viii, 248p. : ill. ; 23 cm. 
 - Yearbook National Council of Teacher of Mathematics .
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0873532856 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.