Schrankel Kenneth R.  <br/><br/>
Study guide to accompany Ward and Hetzel's Biology:  today and tomorrow / 
 Biology: today and tomorrow 
prepared by Kenneth R. Schrankel. 
 - St. Paul [Minn.] :   West Publishing,   ©1980. 
 - vi, 190 pages ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Biology --Programmed instruction. 
<br/><br/><label>Dewey Class. No.: </label>570  / SCS 1980