Helton, Sonia M.,  1937-, <br/><br/>
Math activities for every month of the school year /Sonia M. Helton. 

 - West Nyack, New York :  Center for Applied Research in Education,  (c)1991. 
 - xiv, 269 pages :  illustrations ;  28 cm. 
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<br/><br/><label>LCCN: </label>90047908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA135  / .M384 1991 QA135