Walker, Erica N. <br/><br/>
Building mathematics learning communities : improving outcomes in urban high schools / 
Erica N. Walker 
 -  Teachers College Press  2012 
<br/><br/>25305 
<br/><br/><label>ISBN: </label>9780807753286 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics - Study and teaching (Secondary)<br/>Education, Urban
<br/><br/><label>LC Class. No.: </label>QA  / 11.2