Silbert, Jerry. <br/><br/>
Direct instruction mathematics 
Jerry Silbert, Douglas Carnine, Marcy Stein. 
 - Columbus, Ohio  C.E. Merrill Pub. Co.  c1981. 
 - xvii, 492 p.  ill.  28 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 485-490. 
<br/><br/><label>ISBN: </label>0675080479 (pbk.) 
<br/><br/><label>LCCN: </label>80085043  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA135.5  / .S54 
<br/><br/><label>Dewey Class. No.: </label>372.7