Developing Mathematical Reasoning in Grades k-12 / 
Lee V. Stiff. 
 - Reston, VA:  NCTM,  1999. 
 - viii, 288 p. :  ill. ;  24 cm. 
 - Yearbook  1999 Yearbook National Council of Teacher of Mathematics  1999. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0873534662 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.<br/>Reasoning Psychology.
<br/><br/><label>LC Class. No.: </label>QA 1  / .N3 1999