Farrell, Margaret A,  <br/><br/>
Systematic instruction in mathematics for the middle and high school years/ 
Margaret A. Farrell, Walter A. Farmer. 
 - Reading, Mass.:  Addison-Wesley,  1980. 
 - xix, 359 pages :  illustrations ;   24 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: pages 352-353 
<br/><br/><label>ISBN: </label>0201024365 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary).