Curtis, Helena. <br/><br/>
Instructor's manual to accompany biology / 
Helena Curtis. 
 - New York :  Worth Publishers,  c1979. 
 - xi, 126 p. ; 
<br/><br/><label>ISBN: </label>CSMCH3390 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>570  / In,3