Sobel ,Max A.; Maletsky ,Evan M. <br/><br/>
Teaching Mathematics:a source book of aids, activites, and stategies 

 - 2nd 
 - Boston   1991 
 - xi,291 
<br/><br/><label>ISBN: </label>0-13-894148-3 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematics
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humanities and Natural sciences