Farmer, Walter A. <br/><br/>
Secondary science instruction :  an integrated approach / 
Walter A. Farmer, Margaret A. Farrell, Jeffrey R. Lehman. 
 - Providence, Rhode Island :  Janson Publications,  1991 
 - xix, 356 p. ;  23 cm. 
<br/><br/>Includes bibliogra;phical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0939765535 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Secondary)