Reys, Robert E. <br/><br/>
The mathematics laboratory  theory to practice 
co-authored by Robert E. Reys and Thomas R. Post. Introduction by Zoltan PDienes. 
 - Weber & Schmidt, Boston, Mass.  Prindle  1973. 
 - xvii, 297 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0871501619 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.<br/>Mathematics laboratories.