Weissglass, Julian, <br/><br/>
Exploring elementary mathematics :  a small-group approach for teaching / 
Julian Weissglass. 
 - San Francisco :  W. H. Freeman,  (c)1979. 
 - xviii, 289 pages :  illustrations ;  28 cm. 
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<br/><br/><label>LCCN: </label>79014931 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA135  / .E975 1979 QA135