Heimer, Ralph T <br/><br/>
Strategies for teaching children mathematics/ 
Ralph T. Heimer, Cecil R. Trueblood. 
 - Reading, Mass.:  Addison-Wesley,  1977. 
 - xii, 320 p. : ill. ;    25 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0201028824 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)