Johnston, C. L.  1911- <br/><br/>
Essential arithmetic / 
C.L. Johnston, Alden T. Willis, Gale M. Hughes. 
 - 4th ed. 
 - Belmont, Calif. :  Wadsworth Pub. Co.,  c1984. 
 - x, 534 p. :  ill. ;  28 cm. 
 - [The Johnston/Willis developmental mathematics series] .
<br/><br/> Series statement from: Intermediate algebra / A.T. Willis. 2nd ed. c1987.  Includes index. 
<br/><br/><label>ISBN: </label>0534032400 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic.
<br/><br/><label>LC Class. No.: </label>QA107  / .J64 1984 
<br/><br/><label>Dewey Class. No.: </label>513/.142  / STO 1984