Perry, Winona M.  1890-. <br/><br/>
A study in the psychology of learning in geometry / 
by Winona M. Perry. 
 - New York :  AMS Press,  1972. 
 - 59 p. :  ill. ;  22 cm. 
 - Contributions to education ;  no. 179 .
<br/><br/> Reprint of the 1925 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 179.  Originally presented as the author's thesis, Columbia. 
<br/><br/>Bibliography: p. 39-40. 
<br/><br/><label>ISBN: </label>0404551793 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry--Study and teaching.