Kelly., James L. <br/><br/>
S P B E  : self pacing biology experiences 
James L. Kelly 
 - 2nd. 
 - Ames, Io:  Iowa State University Press,  1980. 
 - various pages 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology-Correspondence courses
<br/><br/><label>Dewey Class. No.: </label>574.07154  / KES