S 23-cut-out models / 
Open University. 
 - Milton Keynes :  Open University,  [n.d.] 
 - 10 p. :  ill. ;  30 cm. +  pbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paper folding (Graphic design)
<br/><br/><label>Dewey Class. No.: </label>736.98