Lamon. J, Susan  <br/><br/>
Teaching Fractions and Ratios for Understanding  Essential Content Knowledge and Instructional Strategies for Teachers  
Susan J. Lamon 
 -  Lawrence Erlbaum Associates (2006) 
 - 237 Pages 
<br/><br/><label>ISBN: </label>9780805852103 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>372.72 LAM