Mathematics laboratories:  implementation, research and evaluation/ 
edited by William M. Fitgerald and John L. Higgins 
 - Ohio:  ERIC Ingormation Analysis Centre,  1974. 
 - 81p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>510.72 MAT
<br/><br/><label>Dewey Class. No.: </label>510.72 MAT