Monaghan, John. <br/><br/>
A review of tools and Mathematics :  instruments for learning / 
John Monaghan, Luc Trouche & Jonathan M. Borwein. 
 - Reston, Virginia ;   National Council of Teachers of Mathematics,   November 2017. 
 - Volume 48, pages  580-584. 
<br/><br/> Journal for Research in Mathematics Education, vol. 48, no. 5,  Pages 580-584, November 2017. <br/> 
<br/><br/><label>Dewey Class. No.: </label>DPer 510.071 J82 November 2017 v. 48 no. 5