Stega series standard 5 booster :  All subjects 

 - Nairobi   Stega Print and Publishers Ltd.   [20-?]. 
<br/><br/><label>ISBN: </label>978-9966-15-867-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education.
<br/><br/><label>Dewey Class. No.: </label>372.076 STE