Countryman, Joan <br/><br/>
Writing to learn mathematics :  strategies that work / 
Joan Countryman. 
 - Porstmouth, NH :  Heinemann,  c1992. 
 - x, 101 p. : ill. 
<br/><br/> Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching<br/>Technical writing