Investigations in mathematics education : expanded abstracts and critical analyses of recent research  

 - Columbus, Ohio  Centre for Science Mathematics Education  v,1,1--- 1972----- 
 - v.; 26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics, Education-Research
<br/><br/><label>Dewey Class. No.: </label>510.5  / INV