Salter, Mary <br/><br/>
Exploring recursion with logo writer :  teacher's manual / 
Mary Salter. 
 - Oregon :  International Society for Technology in Education,  1993. 
 - 44 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>1564840328 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science, information, general works
<br/><br/><label>Dewey Class. No.: </label>000