Ruckle W.H. <br/><br/>
Geometric games & their applications 

 - Boston  P.A. Pub. Program  1983 
 - 187 p. 
 -  82 .
<br/><br/> 19485 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>519.9  / R