Exploring functions / 
[rev. & extended by John Moore, with the assistance of teresa Munevar]. 
 - Teacher's ed. 
 - Oxford, UK :  Oxford University Press,  1979. 
 - xxi, 170 p. :  ill. (some col.) ;  25 cm. 
 - Reading and thinking in English .
<br/><br/><label>ISBN: </label>0194513548 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reading comprehension.<br/>English language--Textbooks for foreign speakers.
<br/><br/><label>Dewey Class. No.: </label>428.24