First  steps unit 3 problem solving unit 4 further design considerations unit 5 a look at data structures 

 - London  Open University  1988 
 - 28p.  27cm. 
<br/><br/><label>ISBN: </label>0335143172 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DATA STRUCTURES
<br/><br/><label>Dewey Class. No.: </label>005.73  / OPE